Charax awa Guimarães, Brito, Ferreira & Ottoni, 2018

Family:  Characidae (Characins; tetras), subfamily: Characinae
Max. size:  12 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  South America: Rio Mearim, Rio Munim and Rio Turiaçu basins in Maranhão state, Brazil.
Diagnosis:  Dorsal soft rays (total): 11-11; Vertebrae: 35-35. Charax awa can be diagnosed by the following combination of characters: orbital diameter 22.1-28.5% HL; snout length 23.3-32.8% HL; 15-18 scales around the caudal peduncle; 35 vertebrae; lateral line complete; toothless ectopterygoid; origin of anal fin always anterior to the vertical through the origin of dorsal fin; 15-18 scale rows from the dorsal-fin origin to the lateral line; 11-12 scale rows from the pelvic-fin origin to the lateral line; 8-10 transverse scale rows in space from the humeral spot to the supracleithrum; maxilla extending to a vertical line posterior to pupil, near the pos¬terior orbital margin; and humeral spot distance 35.8-38.0 % SL (Ref. 117313).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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