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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 ...
Beyond their maritime habitat, ariid catfish have a number of unique adaptations that set them apart from other catfish. Most, if not all species, are mouthbrooding fish, with the male carrying a small clutch of a few dozen, tiny eggs for about two months until the eggs hatch and the fry become free-swimming. [10] [11]
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 ...
Lepidophagy, or scale-eating, has been reported in a range of fish, including: Chanda nama (family Ambassidae), [4] Plagiotremus (family Blenniidae), [5] Terapon jarbua (family Terapontidae), [1] a few Ariopsis and Neoarius species (family Ariidae), [6] Pachypterus khavalchor (family Pachypteridae), Macrorhamphoides uradoi (family Triacanthodidae), several pencil catfish (family ...
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.
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.
The channel catfish (Ictalurus punctatus), known informally as the "channel cat", is North America's most abundant catfish species. It is the official fish of Kansas, Missouri, Nebraska and Tennessee. The channel catfish is the most fished species of catfish in the United States, with around 8 million anglers angeling them per year
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.