Baryancistrus demantoides Werneke, Sabaj Pérez, Lujan & Armbruster, 2005
photo by Sabaj Pérez, M.H.

Family:  Loricariidae (Armored catfishes), subfamily: Hypostominae
Max. size:  15.05 cm SL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  South America: upper Rio Orinoco drainage in Venezuela.
Diagnosis:  Dorsal spines (total): 2-2; Dorsal soft rays (total): 7-7. Distinguished from all other ancistrins by having the dorsal and adipose fins connected by an expanded posterior section of the dorsal-fin membrane, golden-yellow spots confined to the anterior portion of the body and greater than 30 teeth per jaw ramus (Ref. 56038).
Biology:  Occurs exclusively among granite rocks in flowing water (Ref. 56038).
IUCN Red List Status: Near Threatened (NT); Date assessed: 07 August 2019 (B1b(iii)+2b(iii)) Ref. (126983)
Threat to humans:  harmless

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