Nemuroglanis mariai (Schultz, 1944) |
Family: | Heptapteridae (Three-barbeled catfishes) | |||
Max. size: | 4.09 cm SL (male/unsexed) | |||
Environment: | demersal; freshwater | |||
Distribution: | South America: western portion of the Orinoco River system, in the Guaviare and Meta River basins of Colombia. | |||
Diagnosis: | Anal soft rays: 13-15; Vertebrae: 42-44. Distinguished from its congeners in having a dorsal caudal plate that supports eight principal rays; ventral caudal plate that articulates with six or seven rays; dorsal caudal-fin lobe with seven branched rays; dorsal caudal-fin lobe long, up to approximately 35% SL; ventral caudal-fin lobe with 15-19 rays; ventral caudal-fin lobe with six branched rays; forked caudal fin; and short maxillary barbels, 33.3-40.4% SL. Differs further from Nemuroglanis lanceolatus in having shorter anal-fin base, 12.4-18.1% SL; and longer caudal peduncle, 17.5-20.1% SL; and from N. pauciradiatus in having more vertebrae, 42-44 and more anal-fin rays, 13-15 (Ref. 55662). | |||
Biology: | ||||
IUCN Red List Status: | Least Concern (LC); Date assessed: 07 October 2020 Ref. (130435) | |||
Threat to humans: | harmless |