Salt Water Vs Fresh Water Fish: Different Types of Fish

Different Types of Fishes

A fish is a creature that lives and takes in water. All fish types are vertebrates (have a spine), and most inhale through gills and have balances and scales.

Fish make up about a portion of all known vertebrate species. There are many types of fish than every type of animal of land and water, reptiles, birds, and vertebrates consolidated. However, this article will discuss the different types of fish.

Furthermore, fish are aquatic, craniate, gill-bearing creatures that don’t have appendages with digits. Instead, they structure a sister gathering to the tunicates together to form the olfactories.

Fishes are delicious seafood humans can feed on. The living hagfish, lampreys, cartilaginous and hard fish are included in the definition and several extinct related groups.

Scientific Classification of Fish


Below is the list of different types of fishes, for both saltwater and freshwater fishes.

Different Types of Fishes

1. Saltwater Fishes

Saltwater fish, additionally called marine fish, are fish that live in seawater. This fish can swim and live alone or in an enormous gathering called a school.

However, saltwater fish are ordinarily kept in aquariums for diversion. Numerous saltwater fish are likewise gotten to be eaten or filled in hydroponics.

i. Atlantic Cod

The Atlantic Cod is a member of the Gadidae family and is primarily pursued food by people. It is named as defenseless by the ICUN due to over-fishing for human utilization.

Moreover, it can live for 25 years and comes in green or earthy colored tones with spots on the dorsal side.

Also, it lives in living spaces from the top mainland rack to the shoreline, so it is simpler to get in a wide range of waters.

They usually have a length of 61 cm to 1.2 m and weigh up to 40 kg.

ii. Trout

The Rainbow Trout fish is a Salmonid family and lives in the Pacific Ocean in North America and Asia. It inclines toward the virus water and typically returns to new water to generate.

However, the expansive ruddy stripe on their sidelong line, which goes from the gills to the tail, is perceived.

The freshwater types of Rainbow Trout are steelhead and are the authority state fish of Washington. They can weigh up to 2.3 Kg. However, various varieties can weigh up to 20 Kg.

Consequently, people chase them for games and food in 45 unique nations everywhere in the world. Also, presented populaces can influence the new living space in an antagonistic way.

Their breeds are either jeopardized or undermined under the Endangered Species Act.

iii. Swordfish

Swordfish are regularly known as broadbills and are the solitary species in the Xiphiidae family. They are enormous savage fish that relocate as the seasons change.

Also, they are famous game fish and have lengthened round bodies. Even they flourish in the calm and tropical areas of the Indian, Pacific, and Atlantic oceans.

They utilize their long ‘sword’ to slice at prey, harming the creature with the goal that it is simpler to get and eat. The fishes’ long bodies make them lithe and quick animals, permitting them to get their prey.

Finally, they arrive at extraordinary paces of 97 km/h. They can satisfy 9 years if they are not pursued by people for game and food.

iv. Mackerel

Mackerel is a familiar name that the pelagic fish bears. This is a fish that comes from the Scombridae family. They live in tropical and mild oceans all throughout the planet and live seaward or along the coast.

Additionally, they have dark vertical stripes and move in enormous schools to avert hunters. The Atlantic Cod and bigger mackerel prey upon them, just as sharks, seabirds, whales, dolphins, and fish.

Finally, they are usually assaulted by a wide range of hunters since they are the ideal search fish. They are caught in huge numbers by people since they have a high Omega-3 oil content.

v. Tuna

Tuna is a saltwater fish that belongs to the Scombridae family. They have 15 species where the sizes can fluctuate, including the projectile fish and the Atlantic bluefin fish.

This fish can typically live up to 50 years and keep a higher internal heat level than the water around them.

Moreover, they are a light-footed hunter and swim quickly because of their smooth bodies. They are one of the quickest swimming pelagic fish, arriving at records of up to 75 km/h.

Furthermore, it’s anything but a mainstream game fish, and due to overfishing, many of its varieties are near elimination.

vi. Red Mullet

The Red Mullet usually lives in the Black Sea, eastern North Atlantic Ocean, and the Mediterranean Sea.

This demersal fish searches and scours along the seabed, searching for crabs, shellfish, little lobsters, marine worms, and surprisingly dead fish to eat. They grow up to 18 inches and weigh around 550 g.

Further, the Red Mullet is a special delicacy in the Mediterranean district, cooked from multiple perspectives.

From the beginning of time, the fish were valued and even raised by Ancient Romans in lakes.

vii. Atlantic Salmon

The Atlantic salmon comes from the Salmonidae and is a beam finned fish living in the northern pieces of the Atlantic Ocean, North Pacific Ocean, and rives of the North Atlantic.

They are pursued through business and sporting exercises.

Territory obliteration is the fundamental justification for the decrease in their numbers. Numerous preservation endeavors all throughout the planet are performed to save the species from impending elimination.

However, Salmon are marginally regional and might be forceful to one another once in a while. Moreover, they do frame schools on various events.

Also, they are carnivores and eat mayflies, blackflies, caddisflies, and stoneflies.

viii. Shark

The Great White Shark is a more significant type of mackerel shark and lives on the coastal surface waters in every part of the considerable expanses of the world.

However, the shark is known for its size, with the female species being more significant than their male partners.

They can grow up to 6.1 m and weigh very nearly 2,000 kg. This fish can live up to 70 years or more in the wild and require 26 years to arrive at sexual development.

Moreso, the Great White Sharks has no regular hunters other than the uncommon Killer Whales. They are the essential hunters in warm-blooded marine creatures and are the solitary species under the variety of Carcharodon not to go wiped out.

Further, it is recorded as a weak animal group because of natural difficulties. People hate them after being portrayed as ‘man-eaters’ in well-known movies like Jaws, even though people are not their favored prey by any stretch of the imagination.

ix. Anchovy

Anchovies are minuscule, ordinary rummaging fishes that are part of the Engraulidae family. They live in marine waters however can enter bitter waters. One type of anchovies, local to South America, is even limited to new water.

Also, they have more than 140 unique species that live in the Atlantic, Indian, and Pacific oceans, just as the Mediterranean Sea and the Black Sea.

x. Barramundi

The Barramundi fish is one of the different types of fish categorized under saltwater fish. It is regularly known as the Asian Sea bass and is a member of the Catadromous species.

It is found in the Indo-West Pacific district from Southeast Asia, reaching up to Northern Australia.

However, they are widespread in Thai food and are called ‘pla kapong in the neighborhood language.

Moreover, it has a stretched body, a huge mouth, and an upper jaw that reaches out behind the eye. They are found in saltwater just as freshwater and are pursued game and food.

They can reach up to 1.8 m long and weigh up to 60 Kg. Additionally, Barramundi fishes are demersal animals found in streams, tidal ponds, estuaries, and nearshore water.

Lastly, they typically swim in turbid or clear water with a temperature scope of 26 − 30 °C.

2. Freshwater Fishes

Freshwater fish go through a few of their whole lives in new water, like streams and lakes, with a saltiness of under 1.05%.

However, these conditions contrast from numerous points of view from marine conditions, the clearest being the distinction in degrees of salinity.

i. Common Carp

The European carp is also called Common Carp and lives in new water beds like enormous streams and lakes all over Asia and Europe.

Also, it is under the different types of fish classified under saltwater fishes. The wild populaces are as yet thought to be defenseless by the IUCN.

However, people tamed the carp to various conditions throughout the planet.

Also, they are an unfathomably obtrusive species that can hurt other natural surroundings on the off chance that they aren’t controlled as expected; they lay up to 300,000 eggs in a solitary generate. They can satisfy 47 years with no issue.

ii. Oscar Fish

Oscar Fish is categorized under the different types of fish under freshwater fish. This fish comes from the Cichlid family and is known by more normal names like marble cichlid, velvet cichlid, and tiger Oscar.

They are local to the tropical district of South America, where they are regularly sold as food.

Individuals tamed the fish to different locales of the United States, Australia, and China also. Likewise, it is prominently utilized as aquarium fish in Europe and the US.

They show regional conduct and satisfy 10-15 years.

iii. Siamese Fighting Fish

This fish is one of the most delightful different types of fish on the planet. The Siamese Fighting fish is otherwise called the Betta fish. It is common in the aquarium exchange.

Since it comes in great, dynamic tones. Moreover, they are profoundly regional and come from the Gourami group of fish.

The males are incredibly forceful and will battle until the very end if another male Betta fish is delivered in a similar tank.

Furthermore, if the aquarium is too small, the females will likewise get unfriendly to other fish of similar species.

iv. GoldFish

Goldfish hail from the freshwater family and are perhaps the most well-known species utilized for aquariums.

They are local to East Asia, and their particular rearing started in Ancient China over 1,000 years prior.

Also, various varieties have developed ever since, and they can change fit as a fiddle, body, balance, size, and even shadings.

They come in red, earthy colors, white, yellow, orange, and dark.

v. Sauger Fish

The Sauger Fish is a freshwater fish that has a place with the Percidae family. They are local to North America and structure the most significant number of transitory percid nearby.

They have two dorsal balances; one of the blades is sharp while the other is delicately rayed.

However, they are all-around adjusted savage fish and can swim through swift currents absent a lot of drag on their bodies.

They grow up to 300 to 400 g in weight and are a dull bold tone for the most part.

Besides, Saugers commonly live in enormous waterways with pools with a profundity of 0.6 m or more. This freshwater fish basically relies upon other fish for food and feeds on little fishes and invertebrates to endure.

Lastly, the Saugers have confronted consumption in their numbers because of territory misfortune, overexploitation, transitory boundaries, and entrainment in water system channels.

vi. Tench Fish

The Tench fish is also one of the different types of fish and is usually alluded to as the Doctor fish.

It’s anything but a bitter freshwater fish that is from the Cyprinid family. It is local to Eurasia and can be found in the British islands to the Yenisei River.

It lives in sluggish water like marsh streams and lakes.

Additionally, they have olive-green skin and are formed like regular carp. The fishes’ tail balances are square and have round blades.

The heaviest Tench was recorded, being right around 7 Kg in 2001. Furthermore, the males are, for the most part, more modest than females and have marginally various blades.

vii. Guppy Fish

The Guppy fish is also the Rainbow Fish or the Million fish. It is perhaps the most broadly disseminated exotic fish on the planet.

It’s anything but a well-known freshwater aquarium fish because of its dynamic, appealing tones on the tail and examples of spots on the body.

Moreover, they are entirely versatile and can get by in various biological conditions and conditions.

They eat green growth and bug hatchlings for food and have been acquainted with natural surroundings all throughout the planet.

Lastly, the female guppies have more giant dorsal blades and caudal balances than the guys.

viii. Wels Catfish

You can also call the Wels catfish the Sheatfish. It is a huge animal category among catfish. In fact, it is local to Eastern, Southern, and Central Europe.

Initially, people saw it as a valued game fish, and it is currently tracked down everywhere in Eurasia.

It’s a fish that lives in freshwater and is perceived because of its wide mouth, level head, and extended bristle-like highlights.

Further, they can satisfy 60 years if there is a bounty of food and a low danger of hunters.

ix. European Eel

The European Eel is part of the different types of fish. It is a snake-like fish that belongs to the catadromous classification of fish.

They reach up to 1.5 m long and can satisfy 80 years in bondage, with one recorded to live for a very long time.

In fact, it is basically jeopardized because of the reduction in its populace of 90% in only the previous 40 years.

Moreover, this is because of overfishing, parasites, regular changes in the water stream, and hindrances to relocation like dams.

x. Golden Shiner

The Golden Shiner is a cyprinid fish that is local to eastern North America and Quebec. For the most part, it is utilized as lure fish and is the most well-known lake refined fish in the area.

In fact, theGolden Shiner is tiny and generally grows up to 7.5 and 12.5 cm. Also, it’s an olive or dark green tone with a shiny white paunch.

However, the freshwater fish, for the most part, eats bugs, zooplankton, plants, and green growth. They have a sharp vision which they use to find their prey.

They have numerous hunters, which is the reason they are prominently utilized as lures. Furthermore, they flourish in calm waters like trenches, bogs, lakes, and lakes.

The Golden Shiner likes weedy regions and is lenient toward low oxygen substances and turbidity.

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