Gymnotus diamantinensis Campos-da-Paz, 2002

Family:  Gymnotidae (Naked-back knifefishes), subfamily: Gymnotinae
Max. size:  12.5 cm TL (male/unsexed)
Environment:  pelagic; freshwater
Distribution:  South America: Tapajós River basin in Brazil.
Diagnosis:  Anal soft rays: 194-211. Branched anal-fin rays posterior to ray 18 or 19 with an additional bifurcation at posterior branch; small to moderate irregular or rounded dark blotches scattered over a brownish to gray background found on the anterior half of body, with alternate transverse dark and light bands mainly extending through posterior third of body length (Ref. 42925).
Biology: 
IUCN Red List Status: Data deficient (DD); Date assessed: 07 November 2018 Ref. (130435)
Threat to humans:  harmless


Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.