Cristatogobius rubripectoralis Akihito, Meguro & Sakamoto 2003

First dorsal fin distally rounded without filamentous spines. Posterior margin of caudal fin rounded. Scales small, 39-55 scales in a longitudinal row and 19-25 scales in transverse row. Color of specimens before fixation: nuchal crest with transversely alternating reddish-brown and light greenish-brown areas; body light greenish brown reticulated with brown on upper anterior part and having iridescent bluish or greenish spots surrounded by reticulation; first dorsal fin with red upper margin, submarginal row of contiguous yellow spots, grayish-red band on middle part, greenish gray on lower part, and large blackish spot with blue spots between fifth spine and fin terminus; second dorsal fin red with two or three irregular longitudinal yellow stripes on middle part, and greenish gray on basal part; anal fin proximally red and distally dark gray; pectoral fin with a red area on middle to lower part (Ref. 49948).

Dorsal spines (total): 7; Dorsal soft rays (total): 9 - 11; Analspines: 1; Analsoft rays: 8 - 10; Vertebrae: 25 - 26

Inhabits mangrove streams with mud or sand bottoms (Ref. 49948).