Morphological description (GBIF)(Mô tả hình thái (GBIF))
Distinctive characters (following Koumans 1941, pp. 253 – 254 and Larson 2022, p. 122). Pectoral-fin rays 16 – 19 (usually 17 – 18); midline of nape and side of nape naked; gill opening broad, extending forward usually to a vertical at posterior edge of eye; tip of tongue bilobed; translucent green to greenish brown, with indistinct brown to yellowish brown bars on body and bands on head; males with a black spot posteriorly on second dorsal fin.
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Cottogobius bilobatus Koumans, Mem. Indian Mus., Vol 13, p. 253, 1941; Koumans, 1953.