Taxa named by Johann Jakob Heckel

Pterophyllum is a small genus of freshwater fish from the family Cichlidae known to most aquarists as angelfish. All Pterophyllum species originate in the Amazon Basin, Orinoco Basin and various rivers in the Guiana Shield in tropical South America. The three species of Pterophyllum are unusually shaped for cichlids, being greatly laterally compressed, with round bodies and elongated triangular dorsal and anal fins. This body shape allows them to hide among roots and plants, often on a vertical surface. Naturally occurring angelfish are frequently striped transversely, colouration which provid

species of fish

genus of discus fishes

species of fish

Xiphophorus is a genus of euryhaline and freshwater fishes in the family Poeciliidae of order Cyprinodontiformes, native to Mexico and northern Central America. Xiphophorus species can be divided into three groups based on their evolutionary relationships: platyfish (or platies), northern swordtails, and southern swordtails. Platyfish formerly were classified in another genus, Platypoecilus, which is now obsolete. The type species is X. hellerii, the green swordtail. Like most other new world Poeciliids, platies and swordtails are live-bearers that use internal fertilization and give birth to

species of fish

species of fish

Schizothorax is a genus of cyprinid fish found in southern and western China, through northern South Asia (Himalaya) and Central Asia, to Iran. They are primarily found in highland rivers, streams and lakes, although a few species occur in lower-lying locations, like Lake Balkhash and lakes of the Sistan Basin. Their scientific name means "cloven-breast", from Ancient Greek () 'to cleave' and () 'breast-plate' (see also thorax). The western species are typically referred to as marinkas from their Russian name (), while the eastern species are usually called snowtrout. Although they do resemble

Crenicichla is a genus of cichlids native to South America, which are one of the genera commonly known as pike cichlids. They are found in most tropical and subtropical freshwater habitats between the Andes and the Atlantic.

Geophagus is a genus of cichlids that mainly live in South America as far south as Argentina and Uruguay, but a single species, G. crassilabris is from Panama. They are found in a wide range of freshwater habitats. They are part of a group popularly known as eartheaters and mostly feed by picking up mouthfuls of sediment to sift out food items such as invertebrates, plant material and detritus. The largest species reach up to in standard length. They are mostly kept in aquariums.

genus of fishes

Luciobarbus is a genus of ray-finned fishes in the family Cyprinidae. Its members are found in fresh and brackish waters of southern Europe, northern Africa, the wider Near East, the Aral and Caspian Seas, and rivers associated with these. Several species in the genus are threatened. Most species are fairly small to medium-sized cyprinids, but the genus also includes several members that can surpass in length and the largest, the mangar (L. esocinus) can reach .

Devario is a genus of fish in the family Danionidae, a family which also contains several other genera of popular freshwater aquarium fish such as Rasbora and Danio.

Uaru is a small genus of cichlids found in blackwater and whitewater habitats in the upper Orinoco and the Amazon basin.

species of fish

species of fish

species of fish

species of fish

species of fish

species of fish

species of fish

species of fish

Acanthobrama is a genus of ray-finned fish in the family Leuciscidae found mostly in the Near East.

Chaetobranchus is a small genus of cichlid fishes from South America where they are native to the Amazon Basin, Orinoco Basin and rivers in the Guianas.

species of fish

The minnow-nase, (Chondrostoma phoxinus) is a species of freshwater ray-finned fish in the family Leuciscidae. It is found in Bosnia and Herzegovina and Croatia. Its natural habitats are rivers, intermittent rivers, and inland karsts. It is threatened by habitat loss and considered Endangered.

species of fish

species of fish

species of fish

species of fish

species of fish

species of fish

species of fish

species of fish

species of fish

species of fish

species of fish

species of fish

species of fish

species of fish in the family Aphanidae

Scorpaenopsis is a genus of marine ray-finned fish belonging to the family Scorpaenidae, the scorpionfishes. The fishes in this genus are found in the Indian and Pacific Ocean.

species of fish

Ballerus is a genus of freshwater ray-finned fishes belonging to the family Leuciscidae. These fishes are found in Europe and Asia.

species of fish

species of fish

Osteobrama is a genus of cyprinid fish found in southern Asia consisting of eight species. The name is derived from the Greek word osteon, meaning "bone", and the Old French word breme, a type of freshwater fish.

Phoxinellus is a genus of freshwater ray-finned fish belonging to the family Leuciscidae, which includes the daces, Eurasian minnows and related species. These fishes are found in the Balkans.

species of fish

species of fish

species of cyprinid fish

species of fish

Pachychilon is a genus of freshwater ray-finned fish belonging to the family Leuciscidae, which includes the daces, Eurasian minnows and related fishes. The fishes in this genus are found in Europe.

species of fish

species of fish

species of fish

species of fish

species of fish

species of fish

species of fish

species of fish