Cynodontidae

Cynodontidae
Temporal range: Miocene - present
Hydrolycus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Characiformes
Family: Cynodontidae
C. H. Eigenmann, 1907
Genera

Subfamily Cynodontinae
 Cynodon
 Hydrolycus
 Rhaphiodon
Subfamily Roestinae
 Gilbertolus
 Roestes

Cynodontidae, also known as dogtooth characins or vampire tetras, are a family of predatory, characiform freshwater fishes from South America. This group is not very diverse, and includes only five genera and 14 species. Most of what is known about this family is from the members of the subfamily Cynodontinae, which includes the largest species of this family, up to 117 cm (3.84 ft).[1] The members of subfamily Roestinae only reach up to 20 cm (7.9 in).[2] and are less known.

Hydrolycus armatus (top), Rhaphiodon vulpinus (bottom)
  1. ^ Froese, Rainer; Pauly, Daniel (eds.). "Hydrolycus scomberoides". FishBase. March 2013 version.
  2. ^ Cite error: The named reference fishbase was invoked but never defined (see the help page).