Allfishes
African brown knifefish
Xenomystus nigri
The body of this fish is unusual: it is flattened ventrolaterally and elongated, giving it a …
Freshwater
Freshwater fish spend part or all of their lives in fresh water, such as rivers and lakes, with a salinity of less than 1.05%.
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African jewelfish
Hemichromis bimaculatus
The body of the African jewelfish is elongated and tall, the sides are flat.
Alaska blackfish
Dallia pectoralis
The Alaska blackfish can be identified by its short, flattened snout, the posterior position of the …
Alewife
Alosa pseudoharengus
A small silvery gray with a greenish or bluish tint to its back, the alewife usually …
Amazon leaffish
Monocirrhus polyacanthus
The Amazon leaffish resembles dead yellow-brown leaves in color and body shape. On the tip of …
Amu-Darya trout
Salmo oxianus
The Amu-Darya trout, in its external appearance, is typical of salmonid fish but has its own …
Amur bitterling
Rhodeus sericeus
The Amur bitterling is a small fish with a deep, laterally compressed body, large scales, and …
Aral Basin snowtrout
Schizothorax intermedius
The Aral Basin snowtrout has a fusiform (spindle-shaped) body. The head is flat on the upper …
Arapaima
Arapaima gigas
The body of the arapaima is elongated and compressed from the sides. It is covered with …
Arctic cisco
Coregonus autumnalis
The back of the Arctic cisco is rather high and slightly curved. The pelvis has an …
Arctic grayling
Thymallus arcticus
The Arctic grayling has 58 to 62 vertebrae. They have small mouths with small teeth on …
Arctic lamprey
Lethenteron camtschaticum
The Arctic lamprey is characterized by its eel-like body shape, the presence of two large teeth …
Argentine pearlfish
Austrolebias bellottii
The Argentine pearlfish has a laterally compressed, fusiform (spindle-shaped) body with a rounded profile. Males are …
Asian stinging catfish
Heteropneustes fossilis
The Asian stinging catfish has an elongated, slightly compressed body that writhes like a snake when …
Asp
Leuciscus aspius
The asp is a true "torpedo-shaped" predator, whose appearance reveals it as a swift hunter.The body …
Astyanax jordani
Anoptichthys jordani
Astyanax jordani is very close to A. mexicanus and their taxonomic affiliation is controversial. Some consider …
Atlantic stingray
Dasyatis sabina
The Atlantic stingray has an elongated, pointed snout. Spiracles are located behind the eyes. The ventral …
Balkhash perch
Perca schrenkii
The closest relative is the European perch (Perca fluviatilis), from which the Balkhash perch diverged approximately …
Banded archerfish
Toxotes jaculatrix
The genus name Toxotes is derived from Greek, meaning "archer" or "bow shooter." It refers to …
Banded gourami
Trichogaster fasciata
The banded gourami has an elongated, strongly compressed body with an egg-shaped profile. The mouth is …
Bass, Florida Largemouth
Micropterus salmoides floridanus
No information
Bass, Guadalupe
Micropterus punctulatus
Fish have 10 to 12 dark stripes along their sides, which are less distinct in older …
Bass, Largemouth
Micropterus salmoides
Compared to other members of the sunfish family, the largemouth bass has an elongated and robust …
Bass, Peacock
No information
Their body shape generally resembles that of the perch. All known species have a prominent black …