Barbeled Plunderfishes

Figure 1.Pogonophryne neyelovi sp. n., holotype (MNKhNU R299), freshly caught male, 355 mm TL, 295 mm SL: a lateral view b dorsal view c ventral view d mental barbel (dorsal view): stem damaged by hook with removed flap of skin. Scale bars 10 mm.

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.

Figure 3.Pogonophryne neyelovi sp. n., freshly caught female (not preserved), 350 mm TL, 294 mm SL: a lateral view b dorsal view c ventral view d mental barbel (dorsal view). Scale bars 10 mm.

Figure 4.Pogonophryne neyelovi sp. n., freshly caught specimen (not preserved), 305 mm TL, 253 mm SL: a lateral view b dorsal view c ventral view d mental barbel (dorsolateral view). Scale bars 10 mm. Photo by Yu. Korzun. Scale bars 10 mm.

Figure 5.Four types of second dorsal fin shape in males of Pogonophryne. See text for explanations. Arrow indicates the point of primary dichotomic branching of anterior longest rays; a type 1: Pogonophryne tronio, holotype, 234 mm SL b type 2: Pogonophryne sp. 208 mm SL c type 3: Pogonophryne neyelovi sp. n., holotype d type 4: Pogonophryne barsukovi, 208 mm SL.