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Characiformes / ˈ k æ r ə s ɪ f ɔːr m iː z / is an order of ray-finned fish, comprising the characins and their allies. Grouped in 18 recognized families, more than 2000 different species are described, including the well-known piranha and tetras .
Characidae, the characids or characins, is a family of freshwater subtropical and tropical fish belonging to the order Characiformes. The name "characins" is an historical one, [2] but scientists today tend to prefer "characids" to reflect their status as a, by and large, monophyletic group (at family rank).
Characiformes is an order of ray-finned fish, comprising the characins and their allies. Grouped in 18 recognized families, more than 2000 different species are described, including the well-known piranha and tetras.
Characiformes is a diverse order of ray-finned fish comprising the characins and their allies and with all extant species found in freshwater habitats. Characiformes is a large assemblage of about 2,000 species, including the well-known piranhas and tetras .
- Actinopterygii
- Characiformes
- Animalia
- Chordata
The Characiformes are fishes of order Characiformes and are found in South America and Africa. The best known fish of this order are in the family characidae known as the Characins which include the South American Tetras, however there are many other families within this order: Acestrorhynchidae. Alestiidae - African Tetras.
Description. The Characidae family is placed within the order Characiformes. Characiformes are characterized by well developed teeth (most are carnivores) and the presence of a pelvic fin (with five to twelve rays) and normally an adipose fin, and a body that is almost always scaled (Nelson 1994).
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Characiformes are members of the superorder Ostariophysi, which contains nearly three-quarters of all freshwater fishes in the world. Characiformes possess several specialized adaptations, common to most Ostariophysi, which enable them to thrive in freshwater environments.
