523 
Depth 1 4/5 to 2 3/4 in head, 12 2/3 to 16 3/4 to caudal 
base; head 7 to 8 l/2, 2 l/8 to 3 4/5 to vent, width 3 l/4 to 3 
3/4 in head, length; combined head and trunk 2 2/5 to 2 4/5 to 
caudal base. Snout 2 7/8 to. 4 in head from snout tip; eye 5 l/3 
to 6 4/5, 1 4/5 to 2 in snout, slightly greater to subequal with 
interorbital; mouth cleft 1 3/5 to 1 2/3, extends 4/5 to 1 l/5 
eye diameters behind eye; teeth in narrow bands in jaws; small, 
patch on premaxillary and head of vomer; interorbital 5 l/2 to 8 
in head from snout tip, convex. Gill opening 5 1/8 to 6 l/2. 
Scales rudimentary, oblong, very small, embedded in skin 
and extended forward to eyes. 
Dorsal origin variably over to head length posterior to vent, 
fin height l/2 to 1 in eye; anal height 3 l/5 to 4 4/5 in total 
head length; caudal 4 l/5 to 5 l/6; pectoral 2 l/8 to 2 3/5. 
Largely uniform dark brown. Under surface of head and gill 
openings more or less dusky to blackish. Iris pale brown with 
grayish. 
Indian and Pacific Oceans# 
9 
