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Catfish


Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Actinopterygii
Order:Siluriformes
Families

Akysidae
Amblycipitidae
Amphiliidae
Ariidae
Aspredinidae
Astroblepidae
Auchenipteridae
Bagridae
Callichthyidae
Cetopsidae
Chacidae
Clariidae
Claroteidae
Cranoglanididae
Diplomystidae
Doradidae
Hypophthalmidae
Ictaluridae
Loricariidae
Malapteruridae
Mochokidae
Nematogenyidae
Pangasiidae
Parakysidae
Pimelodidae
Plotosidae
Schilbeidae
Scoloplacidae
Siluridae
Sisoridae
Trichomycteridae

Catfish ( order Siluriformes) are a diverse group of fish. Notable for their prominent barbels, they are found in freshwater environments of all kinds, with species on every continent except Antarctica. Some species from the families Ariidae and Plotosidae are also found in marine environs. They range in size and behavior from the largest freshwater fish in the world (the EuropeFor the band of the same name, see Europe (band . Europe is a continent forming the westermost part of the Eurasian supercontinent. Europe is bounded to the north by the Arctic Ocean, to the west by the Atlantic Ocean, to the south by the Mediterranean Sean wels, or Silurus glanis), to detritivores (species that eat dead material on the bottom), and even to a tiny parasitic species commonly called the candirubalzanii ''V. beccarii ''V. cirrhosa ''V. plazaii ''V. sanguinea Ref: 2002-08-10 Summary The candir or canero Vandellia cirrhosa is a freshwater fish in the group commonly called the catfishes. It is found in the Amazon River and has a reputation among th (Vandellia cirrhosa). At present there are 35 catfish families, although this number is in constant flux due to taxonomicTaxonomy may refer to either a hierarchical classification of things, or the principles underlying the classification. Almost anythinganimate objects, inanimate objects, places, and eventsmay be classified according to some taxonomic scheme. Mathematicall work on the order.

They belong to a superorder called the Ostariophysi , which also includes the Cypriniformes, CharaciformesAcestrorhynchidae Anostomidae Headstanders Characidae Characins and tetras Citharinidae Ctenoluciidae Pike-characids Curimatidae Erythrinidae Trahiras Gasteropelecidae Freshwater hatchetfishes Hemiodontidae Hepsetidae Lebiasinidae The Characiformes are an, and Gymnotiformes (although some place Gymnotiformes as a sub-order of Siluriformes).

Catfish have no scaleIn most biological nomenclature, a scale ( Greek lepid is a small rigid plate that grows out of an animal's skin to provide protection. In lepidopteran species, scales are plates on the surface of the insect wing, and provide coloration. Scales are quites. All catfish, except members of Malapteruridae (electric catfish), posses a strong, hollow, bonified leading ray on their dorsalDorsal Fin of the Orca A dorsal fin is a fin located on the backs of fishes, whales, dolphins and porpoises. Its main purpose is to stabilise the animal against rolling and assist in sudden turns. Some animals have developed dorsal fins with protective fu and pectoral fins, through which a stinging protein can be delivered if the fish is irritated. In members of the family Plotosidae, and of the genus Heteropneustes , this protein is so strong it may hospitalize humans unfortunate enough to receive a sting.

Catfish are important food fish throughout the world. Ictalurids are cultivated in North America (especially in the Deep South), while Clariids and Pangasiids are heavily cultured in Africa and Asia. There is also a large and growing ornamental fish trade, with catfish and plecos a popular component of many aquaria.

Examples of catfish species:

See also: National Catfish Day




Ray-finned fish Catfishes



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