Image of Hopbeard plunderfish

Description:

Figure 2.Mental barbel in short-barbeled species of the “Pogonophryne mentella” group, dorsal view, showing processes from various regions of terminal expansion; arrow indicates upper border of terminal expansion: a Pogonophryne tronio, holotype (MKhNU R295, formalin-preserved), male, 295 mm SL b Pogonophryne neyelovi sp. n., holotype (formalin-preserved) c Pogonophryne brevibarbata, female (MKhNU R298, just caught specimen), 262 mm SL d Pogonophryne ventrimaculata, holotype ZMH 46-1985, alcohol-preserved (from Eakin 1987: fig. 4), female, 214 mm SL. Scale bar 1 mm.