Chromogobius britoi Van Tassell 2001
photo by J.Van Tassell
Head Pores - Cephalic canal system with pores B',C,D,E,F,G,H' no posterior oculoscapular canal; preopercle with pores M',N,O'
Scales - 30-36 ctenoid scales in the lateral series; 10(7-10) in transverse series; body scaled to base of pectoral fin; no scales on opercle, cheek, or predorsal area.
Fins - D1 - VI; D2 - 11(10-11); anal 10(9-10); pectoral - 17(14-17); branched caudal rays 14(14-15);
Head - Mouth moderately oblique. Posterior margin of jaw below middle of eye, upper lip width one half that of cheek depth; rostral frenum not present; tongue rounded and branchiostegal membrane entirely attached to lateral edge of isthmus.
Papillae - A transverse pattern with seven vertical rows, row 7 with one papillae; row b short ending anteriorly at row 5s; row d continuous; a single row under row b
Color - Color in life: Head a mottled yellow brown with lighter areas under the orbit. A light brown oblique bar crosses the eye with the posterior higher than the anterior end. A large dark spot is located at the anterior of the opercle along its ventral edge. Two light saddles on the dorsal posterior of the head; anterior of the trunk with two light vertical bands; the first located at the anterior of the first dorsal and the second under the middle of the first dorsal. A series of light saddles from the posterior of the first dorsal to the caudal fin, decreasing in size posteriorly. The remainder of the body possesses vertical light brown speckled bands. First and second dorsal fins with a series of rectangular brown marks located on the rays and forming a series of longitudinal bands; four bands decreasing in intensity towards the dorsal edge of the fins. Pectoral and pelvic fins transparent, anal fin with black stripe near ventral edge, color located within fin membrane only. Caudal fin with light brown area where it joins body, rays with lighter brown color, decreasing posteriorly.
Distribution - Canary Islands and Maderia
Habitat - Found in small rock crevices in or at the base of rock walls