GOBIUS. 



37 



with broad basal membrane, its extremity widely separated from vent. 

 Caudal rounded, f to once length of head. Caudal peduncle 1^ to 1J 

 times as long as deep. Scales ciliated, 55-63 in longitudinal series, 15- 

 17 in transverse series between dorsal and anal. Brownish, with darker 

 dots and small spots ; first dorsal with a large black spot in its posterior 

 third ; second dorsal and caudal with small dark spots ; fins sometimes 

 dark purplish brown. 



Total length 210 millim. 



Madagascar and Mascarene Islands; Tahiti, Samoa, Rarotonga, and 

 Viti Levu ; confined to fresh waters. 



1. A,!. 

 2-3. Y 



Tiimatave, Madagascar. 

 Rodriguez. 



Paris Museum (B.). 

 G. Gulliver, Esq. (P.). 



Fig. 20. 



Gohius scldejeli 

 Bissau. 



18. GOBIUS SCHLEGEL1I. 



Giinth. Cat. Fish. iii. p. 46 (1861) ; Bleek. Nat. Yerh. Gen. Haarlem, (2) 

 xviii. 1863, p. 103. pi. xiii. fig. 1. 



Body strongly compressed; depth of body 4 to 5 times in total 

 length, length of head 3^ to 3-§ times. Head If to 2 times as long as 

 broad, naked ; snout rounded, as long as or a little longer than eye, 

 which is 4 to 5 times in length of head ; interorbital space very 

 narrow; lower jaw projecting; mouth extending to below anterior 

 border or anterior third of eye ; teeth in a narrow band, outer 

 enlarged ; a curved canine on each side of lower jaw often present. 

 Dorsals VI. I 9-10, narrowly separated, longest ray f- to j length of 

 head. x\nal I 8-9, opposite to second dorsal. Pectoral as long as or a 

 little longer than head. Ventral reaching vent or not quite so far, with 

 a broad basol membrane, each side of which is pointed and produced. 

 Caudal pointed, the median rays more or less produced, H to 2 times 



