New species of Hemigrammus tetra described

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A new species of tetra has been described from the western Amazon basin in Peru and Colombia. Hemigrammus aguaruna is the 59th species of the genus, many members of which are popular aquarium fish for the community tank.


This new species belongs to the Hemigrammus ocellifer species group, which share the presence of two humeral blotches, a caudal peduncle blotch, red in the upper margin of the eye, and the presence in adult males of a single middle-sized hook on the last unbranched and anteriormost branched anal-fin rays.

The new tetra is described in the latest issue of Aqua, International Journal of Ichthyology.