How Long Do Fish Live? An Ultimate Guide on The Average Lifespan of a Fish

One of the biggest dilemmas for fish keepers is to find a reference on how long do fish live. Yes, the concern is significant, but there are very few well-assimilated records on the ever-present quandary- how long do fish in an aquarium live? Or perhaps how long do pond fish live? Your references are typically all over the place because several factors can affect the life expectancy of a fish in a domestic environment. Take, for example, the comparison of the shortest lifespan and longest lifespan of fish. The consensus says that the average lifespan of a small fish is short while a large fish is well- longer. But is that the whole truth? If the small conjecture was sufficient to explain everything that comes under the common fish keeper query- how long do fish live, things would have been certainly much simpler.

But it’s not that simple. Take, for example, the curious case of the lifespan of small fish species- the goldfish and the betta fish. Under proper care and maintenance, the typical lifespan of betta fish extends roughly around two and a half years. The lifespan of a goldfish can go on for several decades! If we were to consider the previous postulate, how long do fish live ratings for these small aquarium fish be much closer in digits? But it isn’t, which means instead of conceptualizing the lifespan of a fish using a general equation, it is better to pay close attention to the lifespan of that particular fish breed you are keeping.

We understand that browsing the web for charting down the answer to how long do fish live- for each species you are keeping or plan to keep can be a time-consuming ordeal. At the same time, when you are aware of the life expectancy of every fish breed you keep, it helps you understand the different ways of enhancing their lifespan and providing them the best care as their guardian fish keeper. So here we are again, to make things a little more convenient for you. In this article, we will essentially give you answers on the lifespan of all types of fish species, including saltwater, freshwater as well as answers on what is the average lifespan of a pond fish? We also have a few tips on fish tank maintenance and other factors that can help bolster the health of your fish and help them live a longer life. Before we talk about that, let’s look at some of the factors that can determine the lifespan of a fish.

The General Determinants That Can Indicate How Long Do Fish Live

Metabolism Can Affect the Lifespan of a Fish

According to the data on the association between cell efficiency and how long do fish live, the organism’s metabolism can give you an idea of its lifespan. Hence, there is a possibility that a lifespan of a small fish is shorter than that of a larger fish. For instance, the lifespan of a plecostomus fish or a clown loach is higher than how long do betta fish live for! But it is important to understand that this is just one of the many factors, and there are exceptions to the general rule. 

The Environment Can Influence the Average Lifespan of a Fish

While fish keepers do have an idea on the typical lifespan of household fish, this number can be grossly extended or shortened based on the aquarium’s internal conditions or the pond. Factors such as the water quality, temperature, feeding cycles, maintenance, aeration, and the fish tank inhabitant’s susceptibility to disease can all affect how long do aquarium fish generally live. Following the sentiment, this explains why fish keepers are so particular about proper fish tank maintenance and management. It is best to formulate a schedule of all your daily fish keeping routines. Once you have the routine, it would help if you follow it punctually to avoid causing any stress to your fish. For instance, consistency with the fish feeding cycles and water changes keep the ecosystem stable and healthy. Water chemistry in the aquarium as well as its nitrogen cycle, pH levels, and temperature, are non-negotiable factors that should be kept at the most optimal ranges. It is always good to maintain a chart on all these aquarium factors to check any fluctuations. Prevention is an excellent method if you are hoping to extend the lifespan of a fish.

Reproduction Plays A Part in How Long Do Fish Live

Different fish types have different reproduction strategies that closely affect our subject of how long do fish live. According to the consensus, fish that lay eggs tend to have a longer life span, while the lifespan of fish that are live-bearing tends to be shorter. Following this theory, if we were to consider the query of how long do guppy fish live, which is a live-bearing fish, the life expectancy is relatively short when compared to the average lifespan of a tetra fish, which lays eggs.

How Long Do Freshwater Fish Live?

If you are an avid freshwater fish keeper, you have a lot a variety to choose from when you are on the road to expand your hobby. However, as your collection of freshwater aquariums becomes more significant, so does the quandary of how long do the average freshwater fish live? Well, the average lifespan of a small fish such as guppies and tiger barbs can extend to a maximum of 3 years. Note these fish breeds have the shortest lifespan in the freshwater fish realm.

Under proper fish tank care and maintenance, the lifespan of freshwater angelfish or the average lifespan of a tetra fish can extend to 5 years at its maximum. Now, defying the size theory that the average lifespan of small fish is typically shorter, is the goldfish. So, wheeen it comes to the goldfish’ lifespan, this tiny and humble household fish can live up to a whopping 15 years with proper care and maintenance. In fact, the highest recorded lifespan of Goldfish is 30 years! Quite a spirit, eh!

Here is a quick discussion on how long the average freshwater fish live with some of the most popular freshwater breeds to give you a better idea.

How long do tetra fish usually live?

The minimal care requirement of the tetra fish supplemented with its carefree nature and vivid color patterns are the major reason why this fish is a common fish keeper favorite. In the wild waters, the lifespan of the neon tetra fish can extend up to 8 years. However, in an aquarium, the average lifespan of tetra fish stretches to a maximum of 5 years. Neon tetra fish require minimal fish care maintenance. However, if you want to ensure that your finny friend reaches the good number on the lifespan of a tetra fish, here is a little fish care sheet for you.

  • Aquarium water pH

 6.8 to 7.8

  • Aquarium water Temperature

 75° to 80 ° F

  • Essential Equipment

 Aquarium Heater [Exception: Buenos Tetra fish prefer colder water conditions]

  • Maintenance

 Optimal filtration is required with a 10 percent water change each week or 25 percent water change in two weeks. 

  • Fish Food

Fish flakes, Shrimp pellets/ once or twice a day

Despite the minimal care requirements, the lifespan of a neon tetra fish can end abruptly if there is a sudden change in the optimal fish tank conditions. When the neon tetra fish is at the cusp of its life, there are several identifiable symptoms to detect early death, including stress, restlessness, abnormal swimming patterns in the water, and inability to keep subtended in the water.

How long do guppy fish live?

The lifespan of a guppy fish depends upon several factors. However, an estimation of the average lifespan of a guppy fish extends anywhere between the range of 1 to 3 years. However, with proper care, your guppy can even live up to 5 years of age. Fishkeeping parameters such as fish food quality and cycles, water chemistry, and temperature, as well as the inherent genetics, can largely influence how long do guppy fish live. With stable weather and aquatic conditions, the average lifespan of a guppy fish tends to increase slightly. However, we need to keep in mind, that the natural aquatic habitats are highly vulnerable; hence, the comparison between wild and domestic habitats goes a bit redundant.

  • Aquarium water pH

 6.8 to 7.8

  • Aquarium water Temperature

 72° to 82 ° F

  • Essential Equipment

 Water conditioner and Aquarium Heater

  • Maintenance

 Optimal filtration is required with a 50 percent water changer every week. Guppy fish can quickly get stressed when you overstock the fish tank. It is ideal if you add one guppy fish per gallon on aquarium water.  

  • Fish Food

Fish veggie pellets, spirulina tablets, frozen brine shrimp, frozen tubifex, and bloodworms are a staple protein-rich dietary element for guppy fish. However, most guppy fish breeds also love gobbling on vegetables, including carrots, cucumber, green beans, and spinach. Live fish foods such as brine shrimp, daphnia as well as vinegar eels are great if you want to extend the lifespan of a guppy fish.

How Long Do Oscar Fish Live?

The graceful Oscar fish is, in truth, a very ferocious fish breed. At first glance, you might instantly fall in love with their unique color patterns and striking appearance. However, as you continue to keep the fish, their peculiar social and behavioral patterns and intelligence is what hooks you entirely as a fish keeper.  The average lifespan of an oscar fish ranges anywhere between 10 to 13 years, but with proper care, the life expectancy can be raised to 15 years at its maximum. 

  • Aquarium water pH

 6 to 8

  • Aquarium water Temperature

 74° to 81 ° F

  • Essential Equipment

 Water conditioner Biofilters and Aquarium Heater

  • Maintenance

 The lifespan of an Oscar fish largely depends on the aquarium water conditions as they are a very sensitive fish breed. Filtration is an important parameter to keep the conditions stable, with your primary focus on the biofiltration system. Your filter and pump system should be sturdy and robust enough to carry at least four turns every hour. 

  • Fish Food

Cichlid fish pellets, frozen shrimps supplemented with mealworms, grasshoppers, and crickets.   

How Long Do Molly Fish Live?

The tiny molly fish is one of the most common and loved species by fish keepers. Since they are so tiny, it is only natural to worry about the lifespan of molly fish. Indeed, the molly fish lives longer in the wild than in captivity, with their average life span fitting anywhere between 3 to 5 years. There is not much difference between the lifespan of molly fish, both male and female. If the female molly tends to lay spawns frequently, it will definitely have a shorter average lifespan of a fish. Simultaneously, if the male molly fish mates often, its life expectancy will decrease considerably.

  • Aquarium water pH

 7.0 to 8.0

  • Aquarium water Temperature

 70° to 82 ° F

  • Essential Equipment

 Water conditioner and Aquarium Heater

  • Maintenance

The number on what is the lifespan of a molly fish – gets higher when you keep the environment stress free. Multiple factors can hamper the life expectancy of a molly fish, including overstocking, incompatible fish species, improper male to female species, or too much fish tank lighting. Moreover, molly fish are social fish breeds; they are adventurous and love having fish hiding places in the tank.

  • Fish Food

Fish food flakes, cucumber medallions, shelled peas, blanched vegetables, bloodworms, daphnia, brine shrimp are a molly’s personal favorite as they are heavy omnivores.

How Long Do Goldfish Fish Live?

The Goldfish is a fish keeping classic and has been ever-present in the community for as long as the 19th century. There are several varieties of goldfish breeds available. Unfortunately, there is a profound myth on the topic of how long do Goldfish live in a fish tank. The misconception that Goldfish have a short life expectancy has run rampant. But with proper fish tank maintenance, the lifespan of a goldfish can stretch to 10 to 14 years.

  • Aquarium water pH

 7.0 to 8.4

  • Aquarium water Temperature

 68° to 74 ° F

  • Essential Equipment

 Water conditioner, aeration devices, and Aquarium Heater

  • Maintenance

The quotient of how long do Goldfish live in a fish tank will depend on the aeration conditions, fish tank water conditions, and the feeding cycles. The humble Goldfish has a high oxygen demand; hence we recommend using devices such as airstones. Moreover, Goldfish tend to produce a large amount of waste on a daily basis that can hamper the optimal aquarium conditions and, indirectly, the lifespan of a goldfish when it accumulates. It would help to use a strong filter that can cycle the tank’s water multiple times.

  • Fish Food

Crustaceans, plant matter, insects, fish food flakes and granules. It is important to note that the Goldfish is essentially a bottom feeder species; hence it is better to use sinking fish pellets instead of the floating type.

Here is a little tip on how to bolster the lifespan of Goldfish

How Long Do Platy Fish Live?

The tiny platy fish is a mesmerizing breed for fish keepers. With their vivid and colorful fins, they can light up any aquarium ensemble. Moreover, platy fish are gentle beings; they are fairly easy to maintain, making them ideal for both beginner and expert fish keepers. Sadly, the platy fish are not known for having a long-life expectancy. The average lifespan of platy fish can be around 2 to 3 years. With proper care, you can maximize the life expectancy to a maximum of 5 years.

  • Aquarium water pH

 7.0 to 8.3

  • Aquarium water Temperature

 72° to 78 ° F

  • Essential Equipment

Aquarium filter and Aquarium Heater

  • Maintenance

The consideration of how long do platies fish live depends on the internal conditions of the fish tank. A platy fish is fairly easy to keep as it can tolerate a relatively wider range of temperatures. You will need to conduct 25 percent water changes every two weeks. The fish loves hiding places, so you can aquascape the fish tank to your heart’s content with properly conditioned aquarium plants.

  • Fish Food

Much like any other fish breed, you can absolutely maximize the average lifespan of platy fish by keeping track of what and how often you feed them. The platy fish is not picky about its diet. In a wild setting, the fish species prefer crustaceans, worms, insects, and even aquatic plants. Good quality of fish food flakes can be given as the main dietary component.

How Long Do Cherry Barb Fish Live?

The Cherry Barb is a hardy fish species and beloved in the fish keeping community for their vivid color patterns and advanced shoaling nature. The cherry barb is native to Sri Lanka and now expanding its habitat to Mexico. The average lifespan of barb fish can extend to 4 years with a maximum of 7 years under proper care and maintenance.

  • Aquarium water pH

 6.0 to 7.5

  • Aquarium water Temperature

 73° to 81 ° F

  • Essential Equipment

Aquarium filter and Aquarium Heater

  • Maintenance

A tank size of 25 or 30 gallons is perfect for the cherry barb fish. It is essential to note that the average lifespan of small fish such as the barb fish can be hindered if you overstock the tank, as the animal prefers to have some room to swim around and explore

  • Fish Food

The quandary on how long do fish live in context to the cherry barb largely depends on their food quality and cycle. The cherry barb fishes love gobbling on shrimp, and they are primarily omnivores. Diatoms, small insects, plant matter, worms, crustaceans as well as zooplankton form the main diet of the cherry barb fish. 

How Long Do Gourami Fish Live?

Gourami fish are tropical freshwater species with a good amount of fan following in the fish keeping community. The Gourami fish is known for its visible liveliness and diverse color patterns. Now to our imminent query- how long do blue gourami fish live? That will be around 4 years. How long do pearl fish live? The Pearl gourami fish has a lifespan of a whopping 8 years. The average lifespan of a gourami fish of other types, including the gold gourami, moonlight gourami, dwarf gourami, and the powder gourami, comes to an average of 4 years

  • Aquarium water pH

 6.8 to 7.8

  • Aquarium water Temperature

 75° to 80° F

  • Essential Equipment

Aquarium filter, water conditioner, and Aquarium Heater

  • Maintenance

Depending on the type of gourami fish you choose to keep, the tank size will vary. For instance, small gourami fish, such as the dwarf or honey gourami, will do well in a 10-gallon tank. The large varieties such as the kissing gourami tend to grow quite large; hence a 55-gallon tank will suffice. It is essential to know the average lifespan of a gourami fish depends on how well you stock the tank. With too much traffic, the fish can get stressed quickly. 

  • Fish Food

Tropical fish food flakes, fish granules, and shrimp pellets. The gourami fish can also feed on frozen as well as live food during the breeding season.

How Long Do Betta Fish Live?

The betta fish is extremely popular with fish keepers, both beginner and expert level. This fish breed’s most striking feature is its colorful fanned out fins that are long and wavy. The betta fish has a gentle temperament and notable personalities. Provided you offer the best care and ensure proper maintenance, how long do betta fish live in captivity? This versatile fish can live up to 3 to 5 years in a fish tank. If you are also curious, how long do betta fish live in a bowl? To start, a fishbowl is not an ideal environment for any fish type. The small space and inadequate fish care units can shorten the number on how long do fish live, not just the betta; if you want to maximize the expected lifespan of betta fish, here a few parameters that need to be kept in check.

  • Aquarium water pH

 6.5 to 7.5

  • Aquarium water Temperature

 72° to 82 ° F

  • Essential Equipment

Aquarium filter and Aquarium Heater

  • Maintenance

The betta needs more than just a fishbowl movement- it is well justified. Due to the fish’s small size, it is easy to assume that the betta fish will do well in such an inadequately supplied space, but it is not quite true. Moreover, betta fish are overly sensitive to temperature fluctuations, meaning an aquarium heater is a piece of essential equipment. If the water conditions are not kept optimal, the query-how long do betta fish live for rounds up to an incredibly low number. You must conduct a 50 percent water change every two weeks.

  • Fish Food

Small fish food pellets or powdered fish flakes, as well as thawed frozen food.

How Long Do Plecostomus Fish Live?

The pleco or the Plecostomus fish is an exclusively armored variety of catfish species. They are highly desirable for beginner fish keepers due to the minimal maintenance need and gentle nature. So, what is the lifespan of a Plecostomus fish? Well, a Plecostomus is infamous for its longevity as a freshwater fish, which is certainly a rare occurrence. With adequate fish care, the lifespan of a Plecostomus fish can fall anywhere between 10 to 15 years.

  • Aquarium water pH

 6.5 to 7.5

  • Aquarium water Temperature

 72° to 86 ° F

  • Essential Equipment

Aquarium filter

  • Maintenance

The average lifespan of a pleco fish essentially depends on how clean and filtered the aquarium water is as they are a hardy fish variety. All you must do is keep the filter running to maintaining optimal water current in the tank, and your fish might be able to surpass the designated number on how long do the plecos fish live!

  • Fish Food

For several decades, the lifespan of a Plecostomus fish has been in jeopardy because of a myth floating around in the fish keeping community. Most plecos are sold as algae-eating fish, which is a terribly wrong message for beginner fish keepers. In reality, the pleco fish feeds on small crustaceans and tiny fish. You can also feed your pleco, vegetables such as lettuce, spinach, zucchini, and shelled peas to enhance their health and invariably maximize the number on the average lifespan of pleco fish.

Sr no.Types of Freshwater Aquarium FishHow Long Do Fish Live?
1.Discus10 years
2.Killifish 4 to 9 months
3.Swordtail5 years
4.Zebra danios5 to 5.5 years
5.Corydoras Catfish27 years
6.Rainbowfish8 years
7.Kuhli Loach14 years
8.Convict cichlid8 years
9.African cichlid10 years
10.Tiger Barb5 to 7 years
11.Pictus Catfish8 to 10 years
12.Clown Loach10 years or more
13.Harlequin Rasboras5 to 8 years
14.Celestial pearl danios3 to 5 years
15.German blue ram2 to 4 years

Here is a short video on taking care of betta fish to maximize the lifespan of the freshwater fish

How Long Do Saltwater Fish Live?

Under proper fish care and maintenance, the average lifespan of saltwater aquarium fish can range anywhere between 10 years or more. For a fish keeper, upgrading to a saltwater fish tank is a very important landmark. To ensure that the numbers on how long do saltwater fish live in a tank are on the higher side of the spectrum, you should take several factors under consideration. To make things easier for you, here is a list of the best saltwater fish and an estimate on how long do saltwater fish live, along with some tips on care and maintenance.

How Long Blue Tang Fish Live?

You might be familiar with the blue tang fish as the star character, Dory, in the infamous Disney animation – Nemo. The blue tang fish are a unique fish species that you can house in your saltwater fish tank. However, since these fish command a very high market price, it is only fair that you worry about the average lifespan of saltwater aquarium fish in the context of the blue tang. With proper care and maintenance, the lifespan of blue tang fish can max out ten years.

  • Aquarium water pH

 8.1 to 8.4

  • Aquarium water Temperature

 75° to 82 ° F

  • Essential Equipment

Aquarium filter and a supplement quarantine tank

  • Maintenance

The blue tang fish are very active swimmers hence need ample space to explore. A 75 gallon is the best tank size for these type of surgeon fish. The lifespan of blue tang fish is closely dependent on the nitrogen cycle within the aquarium. They need moderate careless considering the aquarium is well acclimated. 

  • Fish Food

The Blue Tang is an herbivore fish, feeding on zooplankton, marine algae, and vitamin-fortified fish food as well as other frozen food. 

How Long Do Angel Fish Live?

For many fish keepers, the vividly colored angelfish is one of the biggest reasons that make them wish to conduct a saltwater aquarium upgrade.  The Angel is a hardy fish species with an adorable personality, and they are pretty adaptable to life as a household saltwater fish. Under proper care, when all the fish tank parameters are well met and all the efforts you put into ensuring that your angelfish do well, it is only fair to wonder how long do angelfish live in a fish tank?  The angelfish can live up to 15 years or longer, growing to around 16 inches long. Here are some notes on maximizing the average lifespan of an angelfish.

  • Aquarium water pH

 6.8 to 7.8

  • Aquarium water Temperature

 78° to 84 ° F

  • Essential Equipment

Aquarium filter and heater

  • Maintenance

It is vital to maintain a robust filtration in your angelfish saltwater fish tank. You can conduct a 25 percent water change every week to keep the ecosystem in the aquarium stable.

  • Fish Food

Angel fish is an omnivore breed, and although they are hardy saltwater fish requiring minimal care, the diet that you feed can affect the lifespan of an angelfish. Tropical fish granules, shrimp pellets, and other types of frozen fish food are excellent to keep the fish healthy and to maximize its life expectancy.

How Long Do Clown Fish Live?

The playful and shy clownfish is a wonderful addition to your saltwater fish tank. The clownfish is also one of the most preferred cases for studies on how long do saltwater fish live! Although the clownfish was always a notable species for fish keepers, it came into the spotlight for the world because of the Disney movie- Nemo. Alright, we will stop with our animated movie mentions now! So back to your query – clownfish, how long do they live for? That average lifespan of a clownfish is a whopping 20 years under proper care and maintenance.

  • Aquarium water pH

 7.8 to 8.4

  • Aquarium water Temperature

 74° to 79 ° F

  • Essential Equipment

Aquarium heater or strong filter system

  • Maintenance

It is crucial to maintain a robust filtration in your angelfish saltwater fish tank. You can conduct a 25 percent water change every week to keep the ecosystem in the aquarium stable.

  • Fish Food

The clownfish are majorly omnivores. Since they have minimal feeding requirements, it is easy to enhance the average lifespan of a clownfish by ensuring that you use high-quality fish food and proper feeding cycles. This saltwater fish usually prefers to eat small crustaceans, algae, fish larvae, and anemones. 

How long do goby fish live?

The goby fish has an extremely long list of relatives comprising up to a thousand different species. Goby fish have tiny streamlined bodies and are easily visible due to their unique morphed fins. This fish species love hanging on aquarium rocks and other aquascaping items; sometimes, you will find them around the wall of your fish tank. They attach to the different surfaces with the help of a sucker. With proper care, the goby fish can survive in a variety of conditions. The average lifespan of saltwater aquarium fish in context with gobies falls around a good ten years at the maximum.

  • Aquarium water pH

 7 to 8.5

  • Aquarium water Temperature

 73° to 85 ° F

  • Essential Equipment

Aquarium heater or strong filter system, aquarium thermometer

  • Maintenance

Goby fish is a slow swimmer fish and can quickly get stressed if stocked with aggressive fish species. Since gobies are typically bottom dwellers, the type of aquarium substrate you use is an important consideration. It is best to ensure the aquarium sand or gravel is not too rigid or has sharp edges.

  • Fish Food

Fish food pellets, live brine shrimp, daphnia, bloodworms, cyclops. Interestingly goby fish has a peculiar feeding preference. They don’t seem to feast on fish food that remains still in the water. Hence, feeding them live fish food that “moves” can be a better idea.

How Long Do Cardinals Fish Live on Average?

The pajama cardinalfish is an exciting fish species if you want to dazzle up your aquarium ensemble completely. The bright orange beady eyes and a body that looks dressed in a pajama sleeve is a true view to behold. The pajama cardinalfish is quite friendly and blends in well with different types of fish species. Despite the small size, the lifespan of a PJ cardinalfish can fall anywhere between 5 to 15 years.

  • Aquarium water pH

 8.1  to 8.4

  • Aquarium water Temperature

 72° to 80 ° F

  • Essential Equipment

Aquarium heater and strong filter system, aquarium thermometer

  • Maintenance

Considering the small size of the pajama cardinal fish, a tank size of 30 gallons will suffice. The fish is hardy, and with a high-quality diet as well as optimal fish tank maintenance, you can quickly maximize the lifespan of a PJ cardinalfish.

  • Fish Food

Fish food pellets, baby brine shrimp, bloodworms

Sr no.Types of Saltwater Aquarium FishHow Long Do Fish Live?
1. Bicolor benny2 to 4 years
2.Butterflyfish5 to 10 years
3.Blue damselfish5 to 6 years
4.Green Chromis8 to 15 years
6.Firefish 3 to 4 years
7.Orchid dottyback fish5 to 7 years
8.Wrasses fish3 to 30 years
9.Chalk bass1 year
10.Longnose hawkfish5 to 7 years

How Long Do Pond Fish Live?

Having a backyard fish pond is every fish keeper’s dream. When you finally have the right equipment and a pond ready to house some beady-eyed fish, there are several considerations that you must make if you are going to keep at the hobby for a long time. One of the most essential yet overlooked quandary is-what is the average lifespan of a pond fish? Most pond fish have a relatively longer lifespan when compared to aquarium fish as the setting mimics a natural environment much more closely. When you are aware of how long do pond fish live, you have a better idea of what should be done to maximize life expectancy.

How Long Do Koi Fish Live?

The koi fish are the true jewels in a koi fish pond; since keeping koi fish quite a commitment, it is only fair that you ask the question- what is the average lifespan of a koi fish in captivity? The average lifespan of Japanese koi fish can extend up to a jaw-dropping 40 years, perhaps the highest number in this list. But the lifespan of koi carp fish of more common varieties stretches to 15 years. Why such a huge gap between both types, you ask? Several factors influence the average lifespan of koi fish and create such a gap in the life expectancy of the two varieties. 

Well, the Japanese koi fish breeder has more advantages when it comes to a pure gene pool. These breeders have interacted with the koi fish for a considerably longer time, stretching up to centuries. To match with the swift breeding rates of the Japanese breeder, international breeding experts try to fast track the growth of the typical koi; this causes a considerable decrease in the average lifespan of koi fish. If you’ve bought your koi from a reputable vendor, here are a few tips on maximizing the life expectancy.

·         Fishpond Water pH

        7.5 to 8.0

  • Fishpond water Temperature

 65° to 75 ° F

  • Essential Equipment

strong filter system, pond pump

  • Maintenance

Maintenance of your fishpond is a crucial factor when it comes to the lifespan of a koi fish. As the water in a pond tends to evaporate much faster, it leaves behind toxic materials that can hinder the optimal water quality. Therefore, conducting 10 to 15 percent water change every week is a good fish keeping strategy. It is also essential to control the pond’s algal growth as too much algal causes the nitrogen cycle to topple off. Moreover, you should be considerate about the changing season as koi fish are indeed sensitive to climate change.  

  • Fish Food

Zooplanktons, algae, small insects, floating fish food pellets, brine shrimp, are the koi fish staples. Incorporating a mix of commercial and organic fish food is a good measure to ensure a better lifespan of a koi fish.

Sr no.Types of Pond FishHow Long Do Fish Live?
1.Mosquito fish12 months
2.Golden Orfe20 years or more
3.Minnow3 to 11 years
4.Calico15 years
5.Golden Rudd15 years
6.Sturgeon55 years (male sturgeon) 88 to 150 years (female sturgeon)
7.Catfish12 to 20 years
8.Sunfish5 to 8 years

Read more- The Advantages of Adding an Aquarium Airstone

How Long Do Fish Live? – FAQs

What is the lifespan of a crown tail betta fish? The crowntail betta fish is considered as the most aesthetically pleasing fish type in the fish keeping community. Due to its appearance, the fish is constantly in demand and packs a fairly higher market price; in such a case, it is only fair to be curious about the average lifespan of crowntail betta fish. Under optimal care and maintenance, the crowntail betta fish can live anywhere between 2 to 3 years. 

What fish have a lifespan of a month? The Eviota Sigillata fish, also known as the coral reef fish, has the shortest lifespan among all other aquarium fish types. The fish has a life expectancy lasting to a mere eight weeks. After full growth, the fish extends to an inch in length. The Eviota Sigillata fish that lived the longest was recorded as the highest of 60 days.

What is the average lifespan of a blue gill fish? A blue gill fish grows at a considerably rapid rate reaching the full lifespan of a fish in just three years. With proper fish care and maintenance, they can reach the age of 8 years. The male blue gill fish is quite a sight to behold with its vivid color patterns.

What is the lifespan of the devil fish? The red devil fish is a member of the cichlid family variety and quite a sensation among fish keepers due to its charismatic personality. However, the red devil fish is also known to be quite aggressive, needing special attention. How long do fish live, you ask? Well, the lifespan of a red devil fish ranges between 10 to 12 years.

What is the average lifespan of a tropical fish kept in an aquarium? The answer to the quandary of how long do fish live is dependent on the type of fish, care, feeding habits, water chemistry, and numerous other aquarium factors. Often the size and reproductive strategies can also affect the average lifespan of a fish. On average, the lifespan of aquarium fish can range anywhere between 3 to 7 years. But certain fish defies that number; for example, the lifespan of a goldfish is an astonishing 20 years!

Conclusion

As a general rule, how long do fish live is determined by a number of factors. The excitement of bringing a new fish species in your saltwater or freshwater tank is a big reward for fish keepers. Therefore, the average lifespan of a fish is an essential consideration if you don’t wish to face their deaths too soon. Several myths are floating around in the fish keeping community regarding the lifespan of a fish, such as the lifespan of small fish is lower when compared to that of a larger fish. This theory is not entirely true, which is why we decided to help you understand the mechanics behind how long do fish live! We hope we could help you maximize your fish’s life expectancy for a satisfying fish keeping experience.

Also Read- How to Choose the Right Aquarium Rocks and Substrate for Saltwater and Freshwater Tanks

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