Eigenmannia nigra Mago-Leccia, 1994 |
Family: | Sternopygidae (Glass knifefishes) | |||
Max. size: | 47.6 cm TL (male/unsexed) | |||
Environment: | benthopelagic; freshwater | |||
Distribution: | South America: Rio Negro basin and Rio Casiquiare in Venezuela and also from the Colombian Amazonia (Leticia) and the Rupununi River in Guyana. | |||
Diagnosis: | Dorsal spines (total): 0-0; Dorsal soft rays (total): 0-0; Anal soft rays: 231-247. Peculiar black phase coloration and large size. No horizontal dark stripes on body; anal fin either completely black or with dark margin; a marked dark humeral blotch; dorsal head profile strongly convex; snout length less than two eye diameters; interocular distance 30-40% in head length; gape almost the length of the snout; pectoral fin 69-75% in head length. | |||
Biology: | ||||
IUCN Red List Status: | Least Concern (LC); Date assessed: 02 December 2020 Ref. (130435) | |||
Threat to humans: | harmless |