Rhinodoras gallagheri Sabaj Pérez, Taphorn & Castillo G. 2008

Differs from all other species of the genus Rhinodoras by the following combination of characters: pale, largely absence of dark pigmentation on ventral surfaces; anterior midlateral plates shallow to moderately deep, depth of fifth plate 16.6-26.2% of corresponding body depth; dorsal and ventral wings of anterior plates about equal in depth; midlateral plates anterior to vertical through pelvic-fin origin usually five; tympanal portion of lateral-line canal weakly ossified with two or three emergent plates, posterior-most largest with low medial ridge or procumbent thorn; postcleithral process moderately long and narrow, depth 23.9-34.5% of length; adipose eyelid moderate to large, horizontal diameter 10.9-14.6% of HL; pectoral fin rays usually eight; one-part gas bladder with terminal diverticula small and fused (Ref. 75166).Description: Dorsal fin I,6; Anal fin iii-iv,8-11; Pectoral fin I,7-8; Pelvic fin i6 (Ref. 75166).

Dorsal spines (total): 1; Dorsal soft rays (total): 6

Rhinodoras gallagheri is a species of thorny catfish known from Apure River, Capanaparo River, and Arauca River, all left bank tributaries of the middle Orinoco, in the llanos regions of Apure and Barinas States of Venezuela. It is also known from the Aguas de Limon River in the Arauca Department of Colombia. This species grows to a length of 14.95 centimetres (5.89 in) SL.