Pristobrycon maculipinnis

Pristobrycon maculipinnis is a species of serrasalmid endemic of Venezuela.

Pristobrycon maculipinnis
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Actinopterygii
Order:
Characiformes
Family:
Serrasalmidae
Genus:
Pristobrycon
Species:
P. maculipinnis
Binomial name
Pristobrycon maculipinnis
W. L. Fink & Machado-Allison, 1992

Habitat

Habits mainly in black or clear acidic waters in Amazonas State of Venezuela (High Orinoco). Type locality is a back water of the Pamoni River, Casiquiare River Basin.

Description

Body is discoid to oval with the anterodorsal slightly convex. Head robust and wide. Snout blunt. Preanal spine and ectopterygoid teeth absent. Adipose fin wide. Head dark or black in adults with mandibular and opercular areas dark red. Iris golden yellow with a dark transversal band. Body with methalic greyish laterally with numerous bands and spot giving a marmoled appearance. Abdominal area dark red. Ventral serrations and fins covered with dark spots. Dorsal, anal, and pelvic fins with external red rays. Adipose fin dark with several spots.[1][2]

Behaviour

It is a predatory fish. Consuming smaller fish and attacking fins, juveniles include aquatic insects and crustaceans (shrimps). Frequently included fruits from the surrounding gallery forest. This is a solitary species. Never seen in schools.

References
  1. Fink, W. & A. Machado-Allison. 1992. Tree new species of piranhas from Venezuela and Brazil. Ichthyological Explorations of Freshwaters, 2(1)>57/71.
  2. Machado-Allison, A. & W. Fink. 1996. Los peces caribes de Venezuela: diagnosis, claves, espectos ecológicos y evolutivos. Universidad Central de Venezuela CDCH, (Colección Monografías) 52. 149p. ISBN 980-00-0967-1 Caracas, Venezuela.
  • (pictures in: www.pecesdevenezuela.com)
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