Fish
A fish is any member of a paraphyletic group of organisms that consist of all gill-bearing aquatic craniate animals that lack limbs withdigits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups. Most fish are ectothermic ("cold-blooded"), allowing their body temperatures to vary as ambient temperatures change, though some of the large active swimmers like white shark and tuna can hold a higher core temperature.[1][2] Fish are abundant in most bodies of water. They can be found in nearly all aquatic environments, from high mountain streams (e.g., char and gudgeon) to theabyssal and even hadal depths of the deepest oceans (e.g., gulpers and anglerfish). With 33,100 described species, fish exhibit greater species diversity than any other group of vertebrates.
Diffrent Types Of Fishes
African Jewel Fish
The
jewelfishes from Africa are some of the most beautiful, and most bellicose, of
the cichlids. While bimaculatus was
the original jewelfish introduced into the hobby many years ago, there are now
a number of other species available. They all behave the same and require the
same conditions.
Angel Fish
Long
a favorite among aquarists, the angelfish is a tall fish that can be kept in a
community setting, as long as its tankmates are not overly aggressive or
habitual fin nippers. Fast-swimming fish may also make an angelfish nervous and
may out-compete it for food.
Arowana Fish
The
Arowana (Osteoglossum bicirrhosum) is a long and beautiful fish known for its
voracious appetite and constant surface skimming, looking for things to fit into
its mouth. It is native to waterways of the Amazon River and other areas in
South America as well as Southeast Asia and Australia
Asian knife fish
The Asian Knifefish (also known as the Bronze Featherfin) has
the same knife-like body as other fishes called “Knifefish” that come from
Africa and South America. This fish can get to be 18” long, and they are a
primary food fish throughout the range where they occur in the wild.
Bala Shark Fish
Also known as the tricolor shark or silver shark, the young bala
shark is a staple item in most aquarium stores. However, this fish is a poor
choice for most aquaria.
Barb Fish
Barbs are freshwater tropical fish within the genera Barbus and Puntius. They are very popular aquarium inhabitants, and
the group includes well-known species such as the tiger barb and cherry barb.
Betta Fish
The betta, also known as the Siamese fighting fish, has become a popular fish among hobbyists primarily because of the male’s beautiful colors and lavish finnage.
Black Molly Fish
The black molly (Poecilia sphenops) is a hybrid variation of the sailfin molly. It
is a small fish, with males reaching about three inches in length and females
slightly smaller.
Black Tetra Fish
The black tetra has been a popular staple of the aquarium hobby for many
years. Commercial breeders have developed different color varieties
(unfortunately, including the “blueberry” and other dyed fish), and there are
long-finned specimens.
Black line Penguin Fish
The blackline penguinfish is also called Boehlke’s penguinfish, false
penguin tetra and hockey sticks. This species needs at least a 20-gallon
aquarium for a small group of six or more fish. This fish is hardy and sticks
to the upper waters of the community aquarium.
Bleeding Heart Tetra Fish
The bleeding heart tetra is a hardy, peaceful, schooling species that
should be kept in groups of six or more. It does extremely well when kept with
other peaceful fish, such asMegalamphodus, Corydoras and Nannostomus species.
Blind Cava Tetra Fish
The blind cave tetra is a schooling species that is a little too
aggressive for the normal tetra community. It is best kept in a group of three
to six individuals in a tank with other robust fish, such as small cichlids,
livebearers, barbs and catfish.
Blue Gourmi Fish
The blue gourami is a robust fish that should be kept with other hardy,
but mildly aggressive, community tank fishes. When kept with active, aggressive
fishes it will often retreat to a corner and hide. House only one male per
aquarium, as this species has a tendency to fight with one another.
Boesmans Rainbow Fish
The front half of Melanotaenia boesemani's body is blue, and the back half is yellow-orange. In some specimens, you may also see a stripe or two of silver-black scales.
Brichardi Cichlid Fish
Neolamprologus brichardi is called brichardi cichlid, princess of Burundi and fairy
cichlid. This moderately aggressive pale brown cichlid is elongate and has
clearly defined scales.
Bronze Cory Fish
In the wild, most Corydoras swim
in schools of several dozen or more, and similar conditions should be
duplicated in the home aquarium. The Corydoras
aeneus should be kept in a group of six or more with
other community tank fish, such as small characins, livebearers and rasboras.
Buenos Aires Tetra
The Buenos Aires tetra is now provided to the hobby almost exclusively
from fish farms in Florida, which means it usually has been raised in alkaline,
hard water. It will, however, adapt back to its original conditions of neutral
soft water.
Cardinal Tetra Fish
The cardinal tetra is probably the world’s favorite tropical fish in
terms of numbers kept. Many hobbyists have at some point in time, kept cardinal
tetras. And, while they have been bred, they have never been bred in commercial
quantities.
Cat Fish
Catfish are very recognizable and popular aquarium inhabitants. They
belong to the order Siluriformes, and include a wide variety of freshwater and
saltwater catfish families.
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