DISCOVERY REPORTS 



Body compressed, depth 4^ to 4! in the length, length of head 3 (young) to 3^. 

 Breadth of head much less than its depth, which is about f of its length. Snout short, 

 rounded, shorter than eye, diameter of which is 2f (young) to 3I in length of head ; 

 interorbital space very narrow, the eyes being nearly contiguous in the young. Mouth 

 oblique, the jaws equal anteriorly or lower a little prominent; maxillary extending to 

 below middle of eye ; both jaws with several rows of teeth, those of the outer row en- 

 larged, those of the innermost row a little enlarged; teeth of outer row of upper jaw 

 stronger than those of lower, forming more or less distinct curved canines ; no canines 



Fig. 7. Acentrogobiiis koiimansi. Holotype. xi. 



Fig. 8. Diagrammatic view of head of Acentrogobhis kotimansi, showing the arrangement of 



the series of cutaneous papillae. 



in lower jaw ; tongue truncate or slightly bilobate. Head naked except on upper surface 

 behind eyes and on lower part of cheek, where there is a row of 3 or 4 scales ; body 

 covered with finely ciliated scales ; 25 to 27 in a longitudinal series, 7 or 8 in a transverse 

 series between second dorsal and anal fin; breast scaled. Cutaneous papillae on head 

 well developed, arranged as in the accompanying diagram. Dorsal VI, I 16-17; the 

 two fins narrowly separated; second, third and fourth rays of first dorsal sometimes a 

 little prolonged, longest nearly as long as head (males ?); second dorsal and anal 

 elevated. Anal 18-20. Caudal pointed, the middle rays longer than the head. Pectoral 

 without free, silk-like rays, nearly as long as head. Pelvics extending nearly to vent. 

 Yellowish brown, with about 5 dark spots along each side and usually with traces of a 

 row of similar spots along back just below dorsal fins ; fins more or less dusky distally ; 

 indistinct greyish bars on spinous dorsal. 



