Yongeichthys nebulosus, 4.2 cm SL (photo by Koichi Shibukawa)
Yongeichthys nebulosus (Forsskål, 1775) Shadow Goby
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D VI+I, 9; A I, 9; P1 17-18; LR 25-28; PDS 0.
Body moderately elongate, compressed. Head slightly compressed; jaws subequal; gill opening not extending anteriorly to a vertical through preopercular margin. Pelvic fins united medially; frenum present. Scales ctenoid, excepting those on breast and pectoral-fin base cycloid; head naked. Sensory canals and pores present on head; longitudinal pattern of sensorypapillae rows on cheek, some rows multiple; aggregation of sensory papillae just behind chin. Color: body pale gray or pale brown, with two dusky suddles and three large dusky midlateral spots. Size: 10.0 cm SL. Distribution: Eastern Indian Ocean, Andaman Sea and Indonesia. Remarks: found in tidal estuaries and protected bays with sandy-mud bottoms.
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