The Percidae are a family of ray-finned fish, part of the order Perciformes, which are found in fresh and brackish waters of the Northern Hemisphere. The majority are Nearctic, but there are also Palearctic species. The family contains more than 200 species in 11 genera. The perches and their relatives are in this family; well-known species include the walleye, sauger, ruffe, and three species of perch. However, small fish known as darters are also a part of this family.
Sebastinae is a subfamily of marine fish belonging to the family Scorpaenidae in the order Scorpaeniformes. Their common names include rockfishes, rock perches, ocean perches, sea perches, thornyheads, scorpionfishes, sea ruffes and rockcods. Despite the latter name, they are not closely related to the cods in the genus Gadus, nor the rock cod, Lotella rhacina.
The Mastacembelidae are a family of fishes, known as the spiny eels. The Mastacembelids are part of the Order Synbranchiformes, the swamp eels, which are part of the Actinopterygii.
Lates is a genus of freshwater and euryhaline lates perches belonging to the family Latidae. The generic name is also used as a common name, lates, for many of the species.
Sander is a genus of predatory ray-finned fish in the family Percidae, which also includes the perches, ruffes, and darters. They are also known as "pike-perch" because of their resemblance to fish in the unrelated Esocidae (pike) family. They are the only genus in the monotypic tribe Luciopercini, which is one of two tribes in the subfamily Luciopercinae.
The wreckfish are a small group of ray-finned fish in the genus Polyprion, belonging to the monotypic family Polyprionidae in the order Acropomatiformes.
Trichogaster is a genus of gouramis native to South Asia from Pakistan to Myanmar. It is the only genus in the monotypic subfamily Trichogastrinae as set out in the 5th Edition of Fishes of the World, although that book states that there are two genera, the other being Colisa which is treated as a synonym of Trichogaster by Fishbase and the Catalog of Fishes. Fishbase also places the genus in the Luciocephalinae. Species of this genus are very popular in the aquarium trade.
Callanthiidae, the splendid perches and groppos is a small family of marine ray-finned fishes in the order Spariformes. These fishes are mainly found in the Indo-Pacific but two species are found in the eastern Atlantic and Mediterranean.
Caranginae is a subfamily of ray-finned fish from the family Carangidae which consists of twenty genera and 103 species.
Gymnocephalus is a genus of ray-finned fishes from the family Percidae, which includes the perches, pike-perches and darters. They are from the Western Palearctic area, although one species, Gymnocephalus cernua has been accidentally introduced to the Great Lakes region where it is regarded as an invasive species. They have the common name "ruffe" and resemble the true perches in the genus Perca, but are usually smaller and have a different pattern.
Percarina is a genus of ray-finned fish in the family Percidae found in eastern Europe. The genus is the only taxon in the monotypic subfamily Percarininae, which is characterised by having the first dorsal fin, having 9-11 spines and being widely separated from the second dorsal fin. They are thought to be closely related both to the perches of the genus Perca and to the ruffes of the genus Gymnocephalus.
Hemilepidotus, the Irish lords, is a genus of ray-finned fishes belonging to the family Agonidae, the poachers and sea ravens. These fishes are found in northern Pacific, northern Atlantic and Arctic oceans.
Scomberoidinae is a subfamily of ray-finned fish from the family Carangidae which consists of three genera and 10 species. The species in this subfamily have been given the common names leatherjacket and queenfish.
Romanichthyini is a tribe of freshwater ray-finned fish which is one of two tribes in the subfamily Luciopercinae, which in turn is classified under the family Percidae, the family also includes the perches, pikeperches, ruffes and darters.
Sebastini is a tribe of marine ray-finned fishes belonging to the subfamily Sebastinae of the family Scorpaenidae in the order Scorpaeniformes.
Sebastolobini is a tribe of marine ray-finned fishes belonging to the subfamily Sebastinae of the family Scorpaenidae in the order Scorpaeniformes. Many species have the common name thornyhead.
Apodichthyinae is a subfamily of marine ray-finned fish belonging to the family Pholidae, the gunnels. These fishes are found in the North Pacific Ocean.
Chirolophinae is a subfamily of marine ray-finned fishes, classified within the family Stichaeidae, the pricklebacks or shannies. These fishes are found in the North Pacific, Arctic and North Atlantic Oceans.
Xiphisterinae is a subfamily of marine ray-finned fishes, classified within the family Stichaeidae, the pricklebacks or shannies. These fishes are found in the North Pacific Ocean.
Neozoarcinae is a subfamily of marine ray-finned fishes, classified within the family Stichaeidae, the pricklebacks or shannies. These fishes are found in the North Pacific Ocean.
