Tigrigobius gemmatus (Ginsburg) 1939a
Photo by J. Van Tassell -Curacao

IDENTIFICATION

Head Pores - Cephal head canal with pores B',C,D,E,F,H' and preopercle canal with pores M',N'

Scales - Scales present on caudal; lateral series with 10 scales; 4 basicaudal scales present, sometimes a fifth small scale;

Fins - D1 - VII, first two spines are flattened and elongate in males; D2 - 12(11-12); pectoral 15-16(14-17); anal 10(10-11); caudal segmented 17; pelvic I,5 - all rays branched, extending 3/4 distance to anus.

Head - Maxilla extending to posterior of eye; anterior nostril narrow tube, posterior nostral raised rim; no rostral frenum; interorbital narrow about pupil diameter;

Papillae - A tansverse pattern with three rows in front of row b; row 5i/6i at anterior of row b and not extending below the level of row d; no vertical rows extending below row d; row d continuous;

Color - The vertical fins are dark, the rays pale but distinctly barred or spotted with dark. The head and body are dark with eight darker, deep-set and therefore rather inconspicuous bands on body behind the pectoral-fin base, the bands tending to split dorsally. Three additional dark bands cross the top of the head and nape. The lower side of the head of adult males is mottled with dark brown and pale spots, the spots extending onto the cheeks. In life some are yellowish gray, and the pale narrow anterior interspaces between the bands may be greenish yellow. (B&R)

Distribution - Lesser Antilles, Los Roques Island (off Venezuela), Old Providence Island north to British Honduras, the Cayman Islands and the Bahamas (B&R); [smith 97 - Bahamas, Cayman Islands, Puerto Rico, Lesser Antilles, w Caribbean, from Belize to Isla de Providencia, and Venezuela]

Habitat -

Notes -