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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 ...
Clarias catfish and primarily Clarias batrachus (walking catfish) have been introduced to many different areas of the world, where they are causing problems for the native wildlife. The effect of introduction of these fish varies from area to area, but as they are predatory, they often affect the local wildlife by eating other fish, birds, and ...
White catfish feed mostly on the bottom, where they eat other fish and aquatic insects. They feed most actively at dusk and through the night [ 5 ] mostly on bottom-dwelling insects, worms, amphipods, and other small invertebrates.
Larger specimens have also been observed to eat frogs, snakes, rats, voles, coypu and aquatic birds such as ducks, even cannibalising on other catfish. [18] Researchers at the University of Toulouse, France, in 2012 [19] documented individuals of this species in an introduced environment lunging out of the water to feed on pigeons at water edge.
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 ...
They eat insects, leeches, snails, fish, clams, and many plants. They are also known to eat corn, which can be used as bait. Similarly to other catfish, they spawn only after the temperature of the water has reached 80 °F (27 °C) in June and July. However, cooler temperatures are required before brown bullheads will spawn in the northern US.
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 ]
Atlantic wolffish use their strong jaws to eat hardshell molluscs, crustaceans, and echinoderms. They do not eat other fish. They are known to frequently eat large whelks , cockles (Polynices, Chrysodomus and Sipho), sea clams , large hermit crabs, starfish, and sea urchins. They are an important predator of sea urchins and green crabs, whose ...