Callogobius is a genus of fish in the family Gobiidae found in brackish and marine waters of the Indian and Pacific Ocean.
These small gobies are distinguished by ridges of papillae on their heads.
Species The circumscription of the genus is unclear, but there are 41 species in the genus as it is currently known. Species include:
Callogobius albipunctatus Akihito & Ikeda, 2021 Callogobius amikami Goren, Miroz & Baranes, 1991 Callogobius andamanensis Menon & Chatterjee, 1974 (Andaman flap-headed goby) Callogobius aquilus Li & Chen, 2024 Callogobius bauchotae Goren, 1979 (Bauchot's flap-headed goby) Callogobius bifasciatus (J. L. B. Smith, 1958) (Double-bar flap-headed goby) Callogobius bothriorrhynchus (Herzenstein, 1896) Callogobius centrolepis M. C. W. Weber, 1909 (Centre-scale flap-headed goby) Callogobius clarki (Goren, 1978) Callogobius clitellus McKinney & Lachner, 1978 (Saddled flap-headed goby) Callogobius crassus McKinney & Lachner, 1984 (Stout flap-headed goby) Callogobius depressus (E. P. Ramsay & J. D. Ogilby, 1886) (Flap-headed goby) Callogobius dori Goren, 1980 Callogobius dorsomaculatus Akihito & Ikeda, 2021 Callogobius falx Fujiwara, Suzuki & Motomura, 2021 Callogobius flavobrunneus (J. L. B. Smith, 1958) (Slimy flap-headed goby) Callogobius hasseltii (Bleeker, 1851) (Hasselt's flap-headed goby) Callogobius hastatus McKinney & Lachner, 1978 (Spear-fin flap-headed goby) Callogobius irrasus (J. L. B. Smith, 1959) Callogobius kuderi (Herre, 1943) Callogobius maculipinnis (Fowler, 1918) (Ostrich flap-headed goby) Callogobius mannarensis K. Rangarajan, 1970 Callogobius mucosus (Günther, 1872) (Sculptured flap-headed goby) Callogobius nigromarginatus J. P. Chen & K. T. Shao, 2000 Callogobius okinawae (Snyder, 1908) (Okinawa flap-headed goby) Callogobius pilosimentum Delventhal, Mooi, Bogorodsky & A. O. Mal, 2016 (Hairy-chinned flap-headed goby) Callogobius plumatus (J. L. B. Smith, 1959) (Feather flap-headed goby) Callogobius productus (Herre, 1927) (Elongate flap-headed goby) Callogobius sclateri (Steindachner, 1879) (Pacific flap-headed goby) Callogobius sheni I. S. Chen, J. P. Chen & L. S. Fang, 2006 Callogobius shunkan Takagi, 1957 Callogobius snelliusi Koumans, 1953 Callogobius snyderi (Fowler, 1946) Callogobius stellatus McKinney & Lachner, 1978 (Stellar flap-headed goby) Callogobius swifti Gerald R. Allen, Mark V. Erdmann & William M. Brooks, 2020 Callogobius tanegasimae (Snyder, 1908) Callogobius trifasciatus Menon & Chatterjee, 1976 Callogobius tutuilae (D. S. Jordan & Seale, 1906) Callogobius vanclevei (Herre, 1950) Callogobius williamsi Delventhal & Mooi, 2023 Callogobius winterbottomi Delventhal and Mooi, 2013 (Winterbottom's flap-headed goby)
References