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Catfish (or catfishes; order Siluriformes / s ɪ ˈ lj ʊər ɪ f ɔːr m iː z / or Nematognathi) are a diverse group of ray-finned fish.Named for their prominent barbels, which resemble a cat's whiskers, catfish range in size and behavior from the three largest species alive, the Mekong giant catfish from Southeast Asia, the wels catfish of Eurasia, and the piraíba of South America, to ...
Electric catfish or Malapteruridae is a family of catfishes (order Siluriformes). This family includes two genera , Malapterurus and Paradoxoglanis , with 21 species . [ 1 ] Several species of this family have the ability to generate electricity , delivering a shock of up to 350 volts from its electric organ . [ 2 ]
The walking catfish has an elongated body shape and reaches almost 0.5 m (1.6 ft) in length and 1.2 kg (2.6 lb) in weight. [3] Often covered laterally in small white spots, the body is mainly coloured a gray or grayish brown. [5] This catfish has long-based dorsal and anal fins, [5] as well as several pairs of sensory barbels.
The Mekong giant catfish is considered the "official freshwater heavyweight champion of the world," because of how fast they grow, according to National Geographic. The fish can reach up to 440 ...
Airbreathing catfish comprise the family Clariidae of the order Siluriformes. Sixteen genera and about 117 species of clariid fishes are described; all are freshwater species. [ 1 ] Other groups of catfish also breathe air, such as the Callichthyidae and Loricariidae .
In the United States, catfish is the largest aquaculture industry, and channel catfish make up 90% of farm-raised catfish. In 2021, catfish farmers in the United States made $421 million in sales. Most catfish farming in the United States occurs in the southeast: Alabama , Arkansas , Louisiana , and Mississippi produce 94% of American farm ...
"The reason for this is the presence of many eyes searching for the food. Fish in shoals "share" information by monitoring each other's behaviour closely. Feeding behaviour in one fish quickly stimulates food-searching behaviour in others. [19] Fertile feeding grounds for forage fish are provided by ocean upwellings.
The cuckoo catfish is known for laying eggs on the substrate as mouthbrooding cichclids collect theirs and the young catfish will eat the cichlid larvae. Filial cannibalism occurs in some teleost families and may have evolved to combat starvation.