GOBIIDAE Callogobius maculipinnis, 3.5 cm SL (photo by Richard Winterbottom) Callogobius maculipinnis (Fowler, 1918) Ostrich Goby D VI+I, 9; A I, 7; P1 17-19; LR 22-25; PDS 6-7. Body moderately elongate and compressed. Head depressed; jaws subequal; gill opening not extending anteriorly to a vertical through posterior margin of preopercule. Pelvic fins united medially; frenum present. Scales ctenoid posteriorly, cycloid anteriorly; cheek, operculum and occipital region scaled. Sensory canals and pores present on head; distinct transverse pattern of sensory-papillae rows, forming raised cutaneous ridges, on cheek; a pair of short longitudinal sensory papillae rows just behind chin. Color: head and body brown or dark grayish brown, scattered with numerous pale dots; first dorsal fin with a distinct diagonal dusky barred pattern. Size: 5.0 cm SL. Distribution: Indo-Pacific. Remarks: found in shallow coral reefs in protected bay; usually hidden under dead-coral rubbles.