Aquarium Fish


The scientific name of the fish is “Vertebrata”, it is considered a sea animal. They live in both salty water and fresh water. For humans, these sea animals are used as seafood, and they are known as one of the most delicious seafood. Many people keep them in aquariums as their pets. These sea animals come in different types and many of them can be eatable.

These sea animals have been popular to keep as pets in aquariums for many decades throughout the world. These sea creatures don’t need too much care, they are very easy to handle and can be a convenient starter pet.


There are around 3.5 trillion fish in the world’s oceans. It has more than 33,000 species and all of them can be found in salt water or fresh water. China has around 700 species of freshwater while the marine species are more than thousands.

The United States has approximately 1,000 or more than thousands of freshwater species. In the Red Sea, there are 2100 species while 1100 species can be found in the Arctic Ocean and North Atlantic Ocean.


There are countless number of fish species exist in the world. Several species can be kept as pet in home. Some of them are in the following table:

SpeciesScientific NameOriginAverage Lifespan
Long Nosed Arched CoryCorydoras NarcissusSouth America4 to 6 years  
Hognosed BrochisBrochis MultiradiatusSouth America3 to 5 years
Alligator GarAtractosteus SpatulaEastern North America20 to 40 years
White Cloud Mountain MinnowTanichthys AlbonubesChina5 to 7 years
Siamese FightingBetta SplendensThailand2 to 5 years
Corydoras NainCorydoras NanusThe United States3 to 5 years
GoldfishCarassius AuratusChina10 to 15 years
Rainbow TroutOncorhynchus mykissNorth America5 to 10 years
Barred-tail CorydorasCorydoras CochuiSouth America4 to 6 years
Northern PikeEsox luciusNorth America10 to 15 years
Gold Mickey Mouse PlatyXiphophorus MaculatusNorth and Central America3 to 5 years
ZebrafishDanio RerioSouth Asia3 to 5 years
Largemouth BassMicropterus SalmoidesNorth America10 to 18 years
Emerald catfishBrochis SplendensAmazon basin10 to 13 years
Sixray Corydoras, False CorydorasAspidoras PauciradiatusSouth America5 to 7 years
Brown-point Shield SkinAspidoras FuscoguttatusSouth America3 to 5 years
GuppyPoecilia Reticulata North- South America3 to 6 years
Neon TetraParacheirodon InnesiSouth America8 to 10 years
Common MollyPoecilia SphenopsSouth America4 to 6 years
Rainbow PlatyXiphophorus MaculatusSouthern Mexico2 to 4 years
Harlequin RasboraTrigonostigma HeteromorphaThailand5 to 8 years
Striped BassMorone SaxatilisSouth Carolina20 to 30 years
Common CarpCyprinus CarpioAsia15 to 20 years
Black Skirt TetraGymnocorymbus TernetziSouth Central Brazil3 to 5 years
BowfinAmia CalvaNorth America15 to 20 years
Serpae TetraHyphessobrycon EquesAmazon Basin5 to 7 years
Goldeneye CichlidNannacara AnomalaSouth America3 to 5 years  
CobiaRachycentron CanadumAustralia10 to 12 years
Silver AngelfishPterophyllum ScalareSouth America8 to 12 years
Pearl GouramiTrichopodus LeeriSoutheast Asia4 to 6 years
Black Ruby BarbPethia NigrofasciataSri Lanka3 to 5 years
Black Phantom TetraHyphessobrycon MegalopterusSouth America4 to 7 years
BeaconHemigrammus OcelliferSouth America5 to 7 years
Spotted SeatroutCynoscion NebulosusUnited States5 to 10 years
Congo TetraPhenacogrammus InterruptusAmerica3 to 5 years
HatchetfishSternoptychinaeSouth and Central America2 to 5 years
SheepsheadArchosargus ProbatocephalusUnited States20 to 25 years
WalleyeSander VitreusCanada15 to 25 years
Chinook SalmonOncorhynchus TshawytschaNorth America5 to 10 years
Brook TroutSalvelinus FontinalisNorth America2 to 5 years
Lake TroutSalvelinus NamaycushNorthern North America5 to 10 years
Ornate Sleeper RayElectrolux AddisoniSouth Africa2 to 6 years
The red HandfishThymichthys PolitusSouth-Eastern Tasmania5 to 10 years
Sockeye SalmonOncorhynchusNorth America2 to 5 years
Gold BarbBarbodes SemifasciolatusSoutheast Asia4 to 6 years
BettaBetta SplendensIndonesia2 to 5 years
Panda CorydorasCorydoras PandaSouth America5 to 8 years
Dwarf gouramiTrichogaster laliusSouth Asia4 to 7 years
European perchPerca FluviatilisRussia20 to 25 years
White BassMorone ChrysopsNorth America5 to 10 years
Glowlight TetraHermigrammus Erythrozonus South America3 to 4 years
Smallmouth BassMicropterus DolomieuEastern Central-North America5 to 15 years
Buenos Aries TetraHyphessobrycon AnisitsiSouth America5 to 7 years
Pea PufferCarinotetraodonSouthwest India2 to 4 years
Arctic CharSalvelinusAlpinus15 to 25 years

Famous Fish Species:

  • Bass
  • Albacore
  • Black cod
  • Bacalao
  • Albacore
  • Bombay duck
  • Salmon
  • Bluefin tuna
  • Bonito

Rarest Species:

  • The Giant Sea Bass
  • Kissing Loach
  • Adriatic Sturgeon
  • Sakhalin Sturgeon
  • Ornate Sleeper Ray
  • Tequila Splitfin

Common Species:

  • Goldfish
  • Trout
  • Salmon
  • Brown trout
  • Common carp
  • Striped bass
  • Coho salmon

Fish as Pets:

Many people prefer this sea animals over other animals when they decide to own a pet. This is because they don’t need a lot of care and if you are a person who never had a pet, these sea animals would be a great pet choice for you.

These sea creatures are also suitable pets for those who have a busy routine and they can’t be available all the time to their pet. Their aquarium with colorful lights also adds charm to your house. There are many kinds of fish that you can purchase and make them pets.


Aquarium Gold fish

If you don’t know which type of species you should buy as your pet, just go and get a goldfish. This fish can be a wonderful starter pet for any family. Goldfish is one of the common species that you can get easily from anywhere.

Goldfish are known as cold-water species, but you can keep them in warm water as well. Their water tank temperature should be somewhere between 68 F and 74 F. If we talk about their food habits, they are omnivores, so make sure to provide them with at least 30% protein in their diet.

Pros & Cons of Fish as Pet:


  • They are low-maintenance pets and very easy to handle.
  • These sea animals don’t need a big space, you just need a medium-sized aquarium to keep them.
  • Their aquarium looks fascinating in a room space.
  • These animals don’t have loud vocalization.
  • They are cheaper than most of the pets.
  • Watching them in an aquarium could improve your mood.
  • They don’t need attention all the time.
  • They are small in size.
  • They have enough lifespan.
  • There are many species, so you will have various options.


  • They are messy, especially goldfish.
  • Sea animals are very expensive to feed.
  • The glass of the aquarium can be broken.
  • Every week, you need to change at least 25% water in the tank.
  • A big aquarium would be expensive.
  • You have to maintain the aquarium on a daily basis.
  • You can’t play or talk with them as you do with dogs and cats.
  • You might get bored with them.

Health Problems:

There are some common health diseases and infections that can be found in your pet.

Fungal Infection

It is common if your pet is affected by fungal infection. This virus affects fish when there is waste food in the aquarium and also when the water is filthy in a tank or when you overfeed your pet than its need. These infection symptoms are white patches on your pet’s skin.

Cotton Mouth

The symptoms of cotton mouth infection are also like fungal infection symptoms because in both infections these sea creatures have white patches on their skin. Owners often get confused about both health conditions. To treat this infection, you could use aquarium salt, melafix, or an antibiotic.

These health problems are caused when aquarium water is not fresh and clean, otherwise fish don’t get diseases and infections easily. To save your pet fish from diseases and infections, you need to be conscious about the water that you fill in the fish tank.

Care Routine:

As we know, these sea animals are easy to keep and they don’t need a lot of attention but still, you have to stay conscious about your pet care routine. Make sure to create a proper schedule so you don’t miss anything regarding their care routine.

The care of these animals can be both hard and easy, which depends on how you manage. They are very sensitive animals that’s why they need better care. It’s not very complicated to care for them, but be sure that you don’t show sluggishness while caring for them or they can lose their lives.


Their Grooming is totally different from the grooming of rabbits and cats. You can’t trim your fish’s nails or give them a bath but here grooming means how you keep your pet healthy. Grooming can be done by providing them with an aquarium that is full of fresh and clean water. Along with that, good food is also essential to keep your pet healthy, and be sure to avoid giving them unhealthy and stale food

Maintenance of the Aquarium

It is the most crucial thing that you need to do for your pet fish. They will become unhealthy if the water of the aquarium is not clean and fresh. Keep remembering to change the 25% to 30% water of the aquarium after every week. You also need to have a pH test kit to check the pH level of water, it will help to measure the stability of acidity in tank water. Along with that, remove the stale food from the tank and put fresh food.


Food that these sea animals love to eat are vegetables, egg yolk, peas, etc. Their diet should include frozen foods such as krill, bloodworms, and mussels. In vegetables, you can give them to eat potatoes, spinach, and peas. Sometimes people put a lot of food to feed their pets in aquariums so they can relax for a week, which is wrong. These sea animals don’t eat stale food, so make sure to give them fresh food according to their eating schedule which they can finish in 2 to 4 minutes.


These sea creatures have shorter lifespans but if you care for them well, these sea animals could able to live for 4 to 6 years. Their lifespan also depends on their species, if we talk about goldfish which are famous for keeping pets in several parts of the world live for 20 to 25 years.

You might be surprised after hearing that, some fish can’t even live for 1 to 2 months when they become pets. This happens due to a lack of awareness of owners who just focus on purchasing a pet fish but they don’t know how to keep these astonishing sea animals in a convenient manner.

Fish Living StyleAverage Lifespan
Pet4 to 6 years
Saltwater50 to 100 years
Freshwater1 to 3 years

Fish Farming:

Latest Fish Farming

Fish farming is also known as pisciculture which is the process of fish breeding to sell them as food. It is an essential part of the world of seafood. Fish farming is also like the farming of vegetables and fruits that farmers do on farms. It is a long-term process and can take many months or might take a year, depending on the species of these sea creatures.

People from several parts of the world do fish farming because it is one of the most profitable businesses. For this purpose, you need a big place to raise these sea creatures under your own supervision such as a tank or pound. It is not necessary that you have to do this farming business in a natural pond, the majority of people purchase land of acres and make their own pond for these sea creatures farming.

Ensure that you pick the right species of fish to start your farming business. You must know all about their species such as how much time they take to reach their maximum size, and which species are more profitable.

Best Species for Farming Purpose:

There are many species of fish that can be used for farming but here we are going to discuss the best species that are convenient to start if this is your first experience of these sea creatures farming.

  • Catfish – This species can take up to 7 or 8 months to reach a pound level which means they are fast growers. If you are doing farming for business purposes then Catfish can be a suitable option to generate great revenue in a short time. This species also has high demand in the market due to its medical advantages.
  • Codfish – Codfish is one of the delicious species that have a lot of minerals and lean protein. Apart from its taste, codfish is a profitable species for the business of farming. They can take up to 2 to 3 years to reach 3 to 4 kg size.
  • Silver carp – If you are new to this business, you can start farming with silver carp because it is easier to manage than other species. It is also reasonable for those people who have a low investment in fish farming. The growing rate of this species is fast which is beneficial to breed a lot of fish in less time.
  • Tilapia – After salmon and carp, tilapia is another species that is famous for fish farming and more profitable than any other species. They are large and have high protein and vitamins. You need to keep them in warm water because they can’t live in cold water. These sea creatures’ species take 7 to 9 months to achieve 500 to 600 g size.


When you are going to own a fish, you will see their different prices according to size and species. The price starts from 4$ to 30$. You can get freshwater tropical fish for 3$ to 6$ and saltwater or marine for 25$ to 30$. Their prices also depend on the market rate, maybe you find a person who sells at a low price. You can go to different local fish stores and could easily get your pet.


Fish that have a delicious taste include tuna, rainbow trout, mackerel, cod, etc.

Their personalities are different from other pets, they have unique personalities such as curious, bold, intelligent, and cheerful.

As you know goldfish are popular as beginner pet for any family but there is one more choice to own as a pet and that is tetras species, it is easy to handle, small in size, and doesn’t need a large water tank

The whale shark is one of the largest in the world, its length is 41.5 feet long and weighs around 21.5 tons.

Photocorynus spiciness is known as the smallest one whose length is only 0.24 to 0.29 inches.


Fish are convenient pets for both individuals and families, especially for those people who have busy routines and can’t give enough time to their pets. It will always be fascinating to see an aquarium in a house and that will also help to reduce stress and improve mood.

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