Catfish
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Catfish are a diverse group of ray-finned fish of the order Siluriformes. Catfish are named for their prominent barbels, which resemble a cat's whiskers, though not all catfish have prominent barbels.
A sting from the striped eel catfish, Plotosus lineatus, may be fatal. These are juveniles
Blue catfish (Ictalurus furcatus) skeleton, Museum of Osteology
The internal organs of glass catfish (such as Kryptopterus vitreolus) are visible through their transparent bodies
Loading U.S. farm-raised catfish.
Ostariophysi
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Ostariophysi is the second-largest superorder of fish. Members of this superorder are called ostariophysians. This diverse group contains 10,758 species, about 28% of known fish species in the world a
Catfish
…food, their eyes are generally small, and many species lost them entirely as they adapted to underground environments, becoming cavefish. Like other ostariophysans, they are characterized by the presence of a Weberian apparatus. Their well-developed Weberian apparatus and reduced gas bladder allow for improved…
Milkfish
Weberian apparatus and swim-bladder of a carp