Depth 14-g- to 14-7/3, but slightly compressed or mostly sub- 
cylindrical; head 3-l/l0 to 3|r, width 4-7/8 to 6 -l/ 8 . Snout 1-3/5 in 
head from snout tip; eye 8-l/3 to 11^, 5-2/3 to 7-l/5 in snout, l-l/3 to 
1- 2/3 in interorbital; maxillary reaches l /8 to -5 in eye, length to anterior 
point 2-7/8 to 3-l/6 in rest of head posteriorly; canines nearly vertically 
erect or slightly curved forward; interorbital 5-7/8 to 7, level, with 
broad shallow median depression* 
Scales 320? to 355 in lateral axial series to caudal base; 170 
to 265 predorsal; 21 to 23 above lateral line to dorsal origin; 24 to 26 
. ■» 
postocular to vertical preopercle ridge. Lateral line with keel along 
caudal peduncle side and an caudal fin base. Scales with 26 to 31 striae 
each side of vertical median axis, more or less continuous. 
D. II, 20, I or II, 21, I, first branched ray 4-l/8 to 4-l/5 in 
head from snout tip; A. II, 16, I,to II, 22, I, first branched ray 3-3/5 
to least depth of caudal peduncle 1-J to 1-2/5 in eye; caudal 2-2/3 to 
2- 4/5 in head from snout tip, forked; pectoral 3-l/3 to 3-2/3; ventral 4 to 
4-l/8, reach 2-2/3 to vent. 
Back brown, also head above, lower surfaces silvery white. Iris 
white. Fins more or less brownish. Dorsal, caudal and pectoral dusky 
terminally, also caudal medially. Posterior part of dorsal dusky. Lower 
fins pale to whitish. 
India, Pinang, Singapore, East Indies, Philippines, China, 
Formosa, Riu Kiu, Japan, North Australia, Queensland, Micronesia, Polynesia, 
Hawaii. Known chiefly by the long black posterior dorsal rays, these 
usually forming a broad rounded lobe high as anterior pointed lobe of fin. 
It greatly suggests Athlennes hians, as the two species are shown on Bleeker 
plate and only distinguished by the thinner body of the former 
