Astyanax leoni
Astyanax leoni Ruiz-C., Román-Valencia & Taphorn, 2023

Family:  Acestrorhamphidae (American tetras), subfamily: Acestrorhamphinae
Max. size:  11.56 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  South America: Peru.
Diagnosis:  Dorsal soft rays (total): 9-9; Anal soft rays: 25-27; Vertebrae: 36-38. This species is distinguished from its congeners by the following set of characters: inconspicuous rod-shaped stripe on the caudal peduncle that extends anteriorly on top of a silver lateral stripe; short chevrons that cover up to two scale series above and below the vertex of the chevron; chevrons distributed along the entire length of the body; caudal peduncle spot extending anteriorly to beyond the tip of the dorsal fin (Ref. 137784).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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