112 U.S. NATIONAL MUSEUM BULLETIN 2 02 Vol. 2 



to 3.9; depth of caudal peduncle 2.0 to 2.2; length of pectoral fin 1.0, 

 of pelvic fin 0.9 to 1.0, of last dorsal spine 1.6 to 1.8, of upper caudal 

 rays 0.9, of lower caudal rays 0.9 to 1.1; all in length of head (tip of 

 snout to posterior margin of opercle). Depth of caudal peduncle in 

 its length 0.9 to 1.0; angle of snout profile v.dth lengthwise axis of 

 body 45 to 48 degrees. 



Teeth of jaws in double series at least in front, teeth cylindrical 

 basally, compressed, tips rounded or bluntly pointed, inner row of 

 teeth smaller, finer, sharply pointed; scales extending forward on 

 snout to just in front of nostrils, preorbital and suborbital naked; 

 posterior margin of preopercle naked, opercle scaled to edge; suborbital 

 with strong spines; 1 or 2 enlarged curved spines on posterior edge 

 preorbital just above corner of mouth; preopercle with strong spines; 

 opercle with a single, flat, triangular spine; dorsal spines gradually 

 increasing in length to last; soft dorsal and anal outlines angular; 

 caudal with shallow fork, upper rays longer, lower lobe rounded; 

 pelvics pointed, outer ray filamentous; pectorals angular. 



Color in alcohol .—Jlesid and back light reddish brown; breast and 

 belly pale brownish yellow; head with numerous fine blue lines extend- 

 ing from snout and hind margin of eye posteriorly, these breaking up 

 on back into lengthwise rows of larger blue dots, sides of head and 

 cheeks with small blue dots; a round black dot only slightly smaller 

 than pupil at upper edge of opercular opening; each scale on back 

 and sides with (near base) one, two, or three blue dots forming lengthwise 

 lines and a reddish brown margin forming oblique narrow lines; caudal 

 peduncle pale yellowish, blue spots appearing brownish here, smaller 

 and fading posteriorly; soft dorsal with a black spot slightly smaller 

 than eye on base of 7th to 12th rays; caudal fin pale yellowish; anal 

 dark brown except for tips of last 3 or 4 rays; pelvic rays brown, 

 membranes pale; pectorals pale yellowish, a distinct small brown 

 spot at base of upper raj^s, axil pale. 



Young with head and anterior part of body pale yellowish; belly 

 and lower sides dark reddish brown; 2 broad brown stripes from tip 

 of snout to dorsal origin; a broad line from upper edge of eye to under 

 middle of spiny dorsal; lines on sides of head and body brownish; 

 black spot on soft dorsal with pale ring; caudal peduncle and fin dusky. 



Color when alive. — Lips yellow; iris yellow, eye with bright blue 

 lines joining blue lines on snout; lengthwise lines on body iridescent 

 blue; base of pectoral reddish orange; posterior % of body purplish 

 brown; spiny dorsal dark basall}^; membranes orange distally with 

 black margins; black spot on soft dorsal surrounded by blue ring; 

 caudal fin bright golden yellow. 



