FISHES OF HAWAIIAN ISLANDS. 
485 
Genus 236. GOBIICHTHYS Klunzinger. 
Body elongate, heavy forward, scaly; 2 dorsal tins; anal fin nearly as long as the second dorsal; 
caudal fin elongated and pointed; pectoral without silky rays; teeth of upper jaw in a single row, in 
which respect this genus differs from Gobionellus Girard. 
Gobiichthys Klunzinger, Verhand. Zool. Bot. Gesellschaft Wien, XXI, 1871, 179 ( petersii ). 
400. Gobiichthys lonchotus (Jenkins). “ Oopu.” Fig. 213. 
Head 4.1 in length; depth 5.2; 6ye 4.35 in head; snout 3.1; maxillary 1.9; width of mouth 2.6; 
interorbital 2 in eye; D. vi 14; A. 15; P. 19; Y. 6, 6; scales 105, 22. 
Body elongate, compressed, greatest depth about middle of belly; head elongate, compressed, 
greatest depth about 1.3 in length, width 1.6; anterior profile steep, strongly convex, snout rather 
long, blunt, rounded; jaws large, powerful, equal; mandible large; mouth very large, oblique, maxil- 
lary reaching below eye posteriorly but not to its posterior margin; lips rather broad, fleshy; teeth in 
jaws in several series, unequal, sharp-pointed, slightly curved and rather small; tongue rounded, 
rather thick, free in front; eye rather small, high, its posterior margin about middle of length of head; 
nostrils remote, anterior near front of upper lip, with elevated fleshy rim; posterior nostril much nearer 
eye than tip of snout; interoribital space narrow, slightly convex; gill-opening rather large, 1.8 in 
Fig. 213 . — Gobiichthys lonchotus (Jenkins). Type of Gobionellus lonchotus Jenkins. 
head, nearly vertical; scales very small, cycloid; head naked except top, which is densely scaled; dor- 
sal fins separated, spines very flexible, ending in filaments, the first 2 very long; first dorsal spine 
equal to head, second 1.4, last 1.6; soft dorsal long, low, first ray 2.25, twelfth 1.2, last 2.25; anal simi- 
lar to soft dorsal, first 2.8, thirteenth 1.4, last 2.9; caudal elongate, the median rays produced into a 
point, its length 2.7 in trunk; pectoral long, pointed, 3.6 in trunk, ventral large, 4 in trunk; broad 
frenum in front fringed, caudal peduncle compressed, its length 2 in head, depth 2.2; a narrow thin 
cutaneous keel between occiput and spinous dorsal. 
Color in life gravish-olive, faintly netted and barred with darker, and with a median dark stripe, 
very faint, scarcely darker at base of caudal; head plain, with 2 dark streaks along cheek and opercle 
joined by 2 vertical streaks like pen marks; around black spot just before branchiostegals concealed 
by the interopercle, and some small dots around it; a dark spot on eyeball above and behind; a faint 
dark shade below eye, and a dark cross shade on top of head behind eye; first dorsal clear olive 
clouded with light-reddish brown and blackish brown at base; soft dorsal olive, dotted or barred with 
darker olive; caudal faintly barred, most distinct on upper and lower rays; prevailing color grayish 
olive washed in the largest specimens only with bright orange; anal dark olive, distally blackish with 
dusky dashes at base of each membrane; pectorals and ventrals plain dull olive gray, the base of former 
with an obscure dusky blue spot, very black in the young. The head also is more distinctly barred in 
the young. 
