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It includes more than 90 species. The name means "serrated salmon family", which refers to the serrated keel running along the belly of these fish. Fish classified as Serrasalmidae are also known by these common names: pacu, piranha, and silver dollar. These common names generally designate differing dental characteristics and feeding habits. [2]
A piranha or piraña (/ p ɪ ˈ r ɑː n j ə ˌ-r æ n /, or / p ɪ ˈ r ɑː n ə /; Portuguese: [piˈɾɐ̃ɲɐ], Spanish:) is any of a number of freshwater fish species in the family Serrasalmidae, [1] or the subfamily Serrasalminae within the tetra family, Characidae [2] in order Characiformes.
Serrasalmus is a genus of piranhas. They are collectively known as pirambebas; the "typical" piranhas like the piraya piranha are nowadays placed in Pygocentrus. Like all piranhas, Serrasalmus are native to South America. These fish are predatory, have sharp teeth and generally have a rhomboid shape.
It is a solitary species of piranha contrary to the social lifestyle of the much popular red-bellied piranha. As with all other piranhas, it is one of the hardest biting creatures on the planet relative to the body weight. This is a popular fish among aquarium hobbyists, although not as much as their red bellied or black piranha counterparts.
Serrasalmus geryi, known as the violet line piranha or Gery's piranha, is a species of piranha of the family Serrasalmidae. It is found in the lower Tocantins and Araguaia Rivers of Brazil . [ 1 ] [ 2 ] The species is notable for being the one of only the members of the genus Serrasalmus that can coexist with others of the same species in ...
A new species of fish has been discovered in the Amazon: a piranha relative with humanlike teeth. The eye-catcher was named after a “Lord of the Rings” villain.
Named Piranhamesodon pinnatomus, it is the earliest known example of a bony fish and its mouth was full of razor-sharp teeth. In toothy prequel, piranha-like fish menaced Jurassic seas Skip to ...
Like most fish, when the wimple piranha feeds on small fish or scales floating in the water, it uses suction feeding. However, to feed on scales attached to fish, it uses ram feeding, where the predator will charge at the fish; the force of this collision actually knocks scales free. The teeth are used to scrape scales from the body.