bio.wikisort.org - Animal

Pseudanos trimaculatus, the Threespot headstander, is a species of headstander found in Argentina, Brazil, Guyana and Peru.

Pseudanos trimaculatus
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Characiformes
Family:	Anostomidae
Genus:	Pseudanos
Species:	P. trimaculatus
Binomial name
Pseudanos trimaculatus (Kner, 1858)

Pseudanos trimaculatus exhibits a degree of geographical variation, with specimens found in the Amazon basin exhibiting much more conspicuous black spots at the center of their scales than their Essequibo or Orinoco basin counterparts

References

• Froese, Rainer; Pauly, Daniel (eds.) (2011). "Pseudanos trimaculatus" in FishBase. October 2011 version.

• Birindelli, Britski, Flavio. New species of Pseudanos Winterbottom, 1980 (Characiformes: Anostomidae), with notes on the taxonomy of P. gracilis and P. trimaculatus. (2012).

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