GOBIID^E. 257 



1033. (15.) Gobius bleekeri. 



Gobius bleekeri, Day, P. Z. S. 1868, p. 195 ; Fish. India, p. 289, 

 pi. Ixii, fig. 5. 



D. 6 | 1/9. P. 16. V. 1/5. A. 1/8. C. 13. L. 1. 32. L. tr. 11. 



Length of head 5, of caudal fin 6, height of body 5 in the total 

 length. Eyes directed upwards and slightly outwards, closely 

 approximating superiorly ; diameter 3f in length of head, f diam. 

 from end of snout. Height of head equal to length excluding 

 snout. Lower jaw the longer, cleft of mouth oblique, maxilla 

 reaches to beneath anterior half of orbit. Teeth a recurved 

 conical canine on either side of mandibles. Fins dorsal spines 

 slender, with filamentous prolongations, and higher than rays. 

 Pectoral | longer than head, ventral does not reach anal ; caudal 

 wedge-shaped. Scales ctenoid, extending as far forward as 

 posterior margin of orbit, none on cheeks or base of pectoral, 

 smaller in front of dorsal fin. Colour olivaceous, clouded with 

 darker blotches and irregular spots, very fine black spots on scales ; 

 first dorsal dusky in its upper half, with a large bluish spot 

 extending from first to fourth spine, and a light mark along its 

 base from that spine to end of fin, the spines orange ; second 

 dorsal studded with black points most numerous towards base, its 

 first half minutely edged with white, some blue spots on its 

 posterior half ; anal covered with minute black points ; pectoral 

 orange, a blue ocellus on upper half of base, lowest ray deep blue ; 

 ventral blackish. Caudal nearly black, having three or four rows 

 of bluish-white spots between each ray. 



Hab. Madras ; growing to 24 inches long. 



1034. (16.) Gobius zonalternans. 

 Gobius zonalternans, Day, Fish. India, p. 289. 

 D. 6 | 1/9. P. 17. V. 1/5. A. 1/9. C. 13. L. 1. 27. L. tr. 6. 



Length of head 4|, of caudal fin 4|, height of body 6| in the 

 total length. Eyes diameter 3| in length of head, diam. from 

 end of snout, and apart. "Width of head equals half its length, 

 and height equals length excluding snout. Lower jaw slightly the 

 longer ; maxilla reaches to below first third of eye. No warts or 

 barbels on the head. Teeth in the lower jaw a pair of large 

 recurved canines. Fins spines of first dorsal very thin, with fila- 

 mentous terminations, and much higher than the body ; last dorsal 

 and anal rays long, reaching the caudal fin. Pectoral and ventral 

 reach anal. Caudal pointed. Scales cycloid, very small before 

 first dorsal, and not extending to hind edge of eyes. Colour 

 a large blue spot surrounded with black on the opercle; body 

 with angular brown bands from back to abdomen, the angle 

 directed backwards; a dark band over tail just before base of 



VOL. II. S 



