Koumansetta rainfordi Whitley 1940

This species is distinguished by the following characters: D VI + I,15-17 (first 2 dorsal-fin spines filiform, elongate, remaining progressively shorter); A I,15-17; pectoral-fin rays 16-18; united pelvic fins, frenum absent; rounded caudal fin; scale in series, longitudinal 55-61 and transverse 17-19; interorbital wide, 75-100 % of eye diameter; rear margin of upper jaw ending at vertical through anterior margin of eye or slightly behind; scales ctenoid posteriorly, becoming cycloid anteriorly between first dorsal fin and pectoral fin, at axil of pectoral fin, on nape and entire belly; predorsal scales 24-26; scales do not reach level of the posterior edge of the eye on predorsal area, ending at the level of pore G; naked cheek and opercle, in some specimens with a few cycloid scales in upper part; scales cover the basal 1/4-1/6 of the caudal fin, becoming rapidly smaller and cycloid; prepectoral area with about 5-9 vertical series of fine cycloid scales which cover the entire base of the pectoral fin; prepelvic area with cycloid scales, 11-16 in the midventral row (Ref. 119548). Colour of body charcoal grey with 5 dark-edged orange to reddish stripes; upper back with a row of white spots; yellow-edged black spot on second dorsal fin; upper caudal fin base with black spot (Ref. 90102).

Dorsal spines (total): 7; Dorsal soft rays (total): 15 - 17; Analspines: 1; Analsoft rays: 15 - 17

Inhabits sandy and muddy bottoms of turbid coastal reefs (Ref. 1602).

Inhabits sandy and muddy bottoms of turbid coastal reefs (Ref. 1602) to depths pf 20m (Ref. 48637). Solitary or in small groups (Ref. 90102). Does not appear to use a burrow and seen in areas with coral growth (Ref. 1602).

fisheries: of no interest; aquarium: commercial

雷氏鈍鯊(/Amblygobius rainfordi/)為同種異名。

Koumansetta rainfordi, the old glory or Court Jester goby, is a species of goby native to tropical reefs of the western Pacific Ocean where it occurs at depths of from 2 to 30 metres (6.6 to 98.4 ft). This species can reach a length of 8.5 centimetres (3.3 in) SL. It can also be found in the aquarium trade. The specific name honours the viticulturalist E. H. Rainford, of the Queensland Agricultural Department, who also collected specimens for the Australian Museum, and in 1924 he collected specimens of this species.