Callionymus erythraeus Ninni, 1934

Islam, Md. Jayedul, Neiogi, Amit Kumer, Nahar, Najmun, Sathi, Jasmin, Lee, Youn-Ho, Kim, Choong-Gon & Habib, Kazi Ahsan, 2020, Two new records of dragonet fish, Callionymus sagitta Pallas, 1770 and Callionymus erythraeus Ninni, 1934 from Bangladesh, Records of the Zoological Survey of India 120 (3), pp. 221-224 : 223

Callionymus erythraeus Ninni, 1934 ( Figure 3 )

Smallhead dragonet

Material examined: F1710SM-03, 1 ex., 72.5 mm SL, Bangladesh: Cox’s Bazar , Teknaf , Saint Martin’s Island, Bay of Bengal (20°36'39.6" N, 92°19'37.2" E), 16.x.2017, K.A. Habib & M.J. Islam .

Diagnostic characters: Body elongate, moderately depressed. Opercle without a free flap of skin, interorbital distance 6 in eye diameter. Preopercle spine with antrorse spine, a small up-curved main tip and with five slightly recurved dorsal tips (with main tip) at its dorsal margin. All spine of first dorsal fin has small filamentous (except 3rd spine is slightly long filamentous); last (9th) ray of 2nd dorsal fin is longest. First dorsal fin with IV spines; 2nd dorsal fin with 9 rays (last dorsal ray divided at its base); pectoral soft ray 12; pelvic soft ray 6; anal soft ray

Figures

Figure 3. Callionymus erythraeus (F1710SM-03) from Saint Martin’s Island, Bangladesh.