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Clarias species are recognized by their long-based dorsal and anal fins, which give them a rather eel-like appearance. These fish have slender bodies, a flat, bony head, and a broad, terminal mouth with four pairs of barbels. Many species also have a large, accessory breathing organ composed of modified gill arches.
The African sharptooth catfish is a large, eel-like fish, usually of dark gray or black coloration on the back, fading to a white belly. In Africa , this catfish has been reported as being second in size only to the vundu of the Zambesian waters, [ 4 ] although FishBase suggests the African sharptooth catfish surpasses that species in both ...
Some omnivorous fish, such as the red-bellied piranha, can occasionally also be predatory, although they are not strictly regarded as obligately predatory fish. Populations of large predatory fish in the global oceans were estimated to be about 10% of their pre-industrial levels by 2003, [1] and they are most at risk of extinction; there was a ...
It’s not a pike eel, or a silver eel. The teeth look like some kind of Moray eel. But the face is very blunt. It was about 9 (feet) long.” ... Talk grows of mega predator off Australia, but ...
Recently, the slime was reported to entrain water in its keratin-like intermediate filaments excreted by gland thread cells, creating a slow-to-dissipate, viscoelastic substance, rather than a simple gel. It has been shown to impair the function of a predator fish's gills. In this case, the hagfish's mucus would clog the predator's gills ...
Once a predator swallowed an eel, the sated fish was quickly moved to a special tank where the X-ray video camera was ready to roll. “Due to the very narrow field of view of the X-ray video ...
List of fish of the North Sea consists of 201 species, both indigenous, and also introduced, listed in systematic index. It includes 40 species of Chondrichthyes, three species of Agnatha, the other are bony fishes. [1] The following tags are used to indicate the conservation status of species by IUCN's criteria:
Fish of this family are long, slender, and generally steely blue or silver in colour, giving rise to their name. They have reduced or absent pelvic and caudal fins , giving them an eel -like appearance, and large fang-like teeth.