The Characiformes are an order o ray-finned fish, comprisin the characins an thair allies. Grooped in 18 recognized faimilies, thare are a few thoosand different species, includin the well-kent piranha an tetras.[1]

ReferencesEedit

  1. Nelson, Joseph, S. (2006). Fishes of the World. John Wiley & Sons, Inc. ISBN 0-471-25031-7.; Buckup P.A.: "Relationships of the Characidiinae and phylogeny of characiform fishes (Teleostei: Ostariophysi)", Phylogeny and Classification of Neotropical Fishes, L.R. Malabarba, R.E. Reis, R.P. Vari, Z.M. Lucena, eds. (Porto Alegre: Edipucr) 1998:123-144.