FIGURE 12 in A review of the flying fish genus Cypselurus (Beloniformes: Exocoetidae). Part 3. Revision of the subgenus Cypselurus sensu stricto with descriptions of one new species and four new subspecies and reinstatement of Cypselurus crockeri Seale and Exocoetus socotranus Steindachner

FIGURE 12. Chin barbel of Cypselurus opisthopus opisthopus (ventral view of head). (A)—19 mm SL, AMS uncat., Madang; (B)—57 mm SL, IORAS 04088, 0°39'–0°04'S 148°13'–148°20'E; (C)—72 mm SL, IORAS 04105, ~ 1°S 143°E; (D)—72 mm SL, IORAS 04105, same place; (E)—82 mm SL, IORAS 04086, 5°38'S 147°04'E.