Catfish | Wikipedia audio article
This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Catfish
00:01:02 1 Ecology
00:01:11 1.1 Distribution and habitat
00:02:35 1.2 As invasive species
00:03:24 2 Physical characteristics
00:03:34 2.1 External anatomy of catfish
00:08:14 2.2 Size
00:10:46 2.3 Internal anatomy
00:13:00 3 Communication
00:13:09 3.1 Sound production and interpretation
00:16:38 4 Economic importance
00:16:47 4.1 Aquaculture
00:18:27 4.2 Catfish as food
00:21:38 5 Dangers to humans
00:22:02 6 Taxonomy
00:27:04 7 Phylogeny
00:28:09 7.1 Timeline
00:28:17 8 Catfish fishing records
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Voice name: en-AU-Wavenet-D
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SUMMARY
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Catfish (or catfishes; order Siluriformes 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 detritivores (species that eat dead material on the bottom), and even to a tiny parasitic species commonly called the candiru, Vandellia cirrhosa. Neither the armour-plated types nor the naked types have scales. Despite their name, not all catfish have prominent barbels. Members of the Siluriformes order are defined by features of the skull and swimbladder. Catfish are of considerable commercial importance; many of the larger species are farmed or fished for food. Many of the smaller species, particularly the genus Corydoras, are important in the aquarium hobby. Many catfish are nocturnal, but others (many Auchenipteridae) are crepuscular or diurnal (most Loricariidae or Callichthyidae, for example).