Erythrocharax altipinnis Netto-Ferreira, Birindelli, de Sousa, Mariguela & Oliveira, 2013

Family:  Characidae (Characins; tetras), subfamily: Stethaprioninae
Max. size:  2.62 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Asia: Rio Curuá in Pará, Brazil.
Diagnosis:  Dorsal soft rays (total): 11-11; Anal soft rays: 24-26; Vertebrae: 34-34. Diagnosed from other species of the Characidae by having the pelvic bones firmly attached through the isquiatic processes. Further differs from other characids by the possession of the following characters: nearly triangular hiatus in the musculature covering the anterior chamber of the swim bladder between the first and second pleural ribs; the pedunculate, notably expanded and distally compressed teeth in both jaws; circumorbital series represented by antorbital and four infraorbital bones with laterosensory canals not enclosed; a single tooth row in the premaxillary with the teeth perfectly aligned and similar in shape and cusp number; the first three branched dorsal-fin rays distinctly elongate in males; a bright red adipose and caudal fins in life; a conspicuous dark midlateral stripe extending from the opercle to the tip of the median caudal-fin rays; and by the absence of a humeral spot (Ref. 93035).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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