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 |