FIGURE 1 in Revision of the horseface loaches (Cobitidae, Acantopsis), with descriptions of three new species from Southeast Asia

FIGURE 1. Mouths of Acantopsis. (A) A. thiemmedhi, UF 188118, 107.5 mm SL, With one pair of labial barbels. (B) A. rungthipae, THNHM F0013610, holotype, 107.4 mm SL (ex. UF 235976), Without labial barbels. (C) Acantopsis dialuzona, UF 173552, 114.3 mm SL, With 2 pairs of labial barbels (usually 3 in A. dialuzona). Note barbels are at least tWice as long as longest papilla. LB, labial barbel; MB, mandibular barbel; P, papilla; RB, rostral barbel; XB, maxillary barbel.