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Crenuchus spilurus GÜNTHER, 1863

Sailfin Characin

March 13th, 2012 — 1:23pm

This species is currently the only described member of its genus although colour pattern and morphology vary considerably across its range.

You may see reference to this species being the only fish species to possess infra-red vision, but other species also possess this ability and we suspect that infra-red plays an important role in the reproductive cycle of many fishes.

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