Tridentiger bifaciatus Steindachner 
“ Simahaze ” 
PL. XLVI, fg. 9. x1. 
D. VI, 13; A. 11; P. 19; scales 54. 
Length of body equal to 5 times that of depth of 
body, and to 3& times that of head. Head very broad, 
Cottuslike, flattish above; eyes small; interorbital 
broad. Teeth in the outer row trifid, well separated 
from the inner row of smaller pointed teeth. Scales 
on body moderate, ctenoid. 
Colour olivaceous, a broad black band on each side 
beginning at the forehead and extending along below 
the dorsals to the caudal; second band along middle 
of side from base of pectoral to caudal. 
Taenioides lacepedei (Temminck & Schlegel) 
“ Warasubo ”* 
PL. XLVII, fig. 10. x1 
D. VI, 46. A. 44. 
Length of body equal to 7 '/4 times that of head, 
and to 17 times depth of body. Body greatly 
elongated, eel-shaped, without scales. Teeth ar- 
ranged in two series in both jaws, outer ones strong 
and fang-like. Eyes small, hidden in the skin. 
Dorsal fin eontinuous; its soft portion and anal fin 
also are eontinuous around caudal fin. Lateral line 
represented by a series of 27 groups of minute 
pores, each group arranged in vertical lines. Colour 
of body bluish-brown. It attains to 300 mm, in 
length. This species haunts muddy bottoms of 
shallow waters in southern Japan, being especially 
common in the Ariake Sound in Kyusyu, 
pody with five large irregular dark grey spots; 
dorsal fin with oblique rows of dark spots; upper 
two-thirds or more of the caudal fin with zigzag 
dark bands. The species attains to 250 mm. in 
length. It is one of the commonest goby through- 
out Japan, found in the muddy bottoms of brackish 
waters, occasionally ascending the streams. Spawns 
in the algae or weeds in June. 
Boleophthalmus pectinirostris Gmelin 
“Mutugoro " 
PL. XLVI, fig. 7, ser 
D. V, 25; A. ۰ 
Length of body equal to 4% times that of head, 
and to 6 / times depth of body, Body elongated, 
covered with very small scales. Eyes placed high, 
prominent and elose together, the lower eyelid de- 
veloped so that it easily covers the eye. Tongue 
short, round and not free at the tip ; teeth of upper 
jaw arranged in one row, anterior 6 to 8 ones 
forming the canines; lower jaw in 2 rows. First 
dorsal fins produced and filamentous. Colour of 
body bluish-grey above, spotted densely with white 
spots, paler below ; spinous dorsal fin bluish-grey 
with many round white spots; on soft dorsal fin 
the same white spots are arranged in about 7 
longitudinal rows; similar white spots are ar- 
ranged vertically on caudal fins, The fish attains 
to 150 mm. in length, being very abundant on the 
muddy shores of Korea and in the Ariake Sound 
of Kyusyu. It leaps with muscular pectoral fins ; 
spawns in Summer, 
Uranoscopus japonicus (Houttuyn) 
** Misimaokoze '' 
PL. XLVII, fig. 8. < و2‎ 
D. IV, 14; A. 13; seales 64. 
Length of body equal to 3 */; times that of head, 
and to 4% times depth of body. Body thick; 
head flat and largely bony above, mouth nearly 
vertical with a retractile filament in mouth beneath 
tongue; teeth small, arranged in two rows in lower 
jew. but in one row in upper; in villiform bands 
on vomer, palatines and pharyngals. Snout short 
and blunt; eye small, directed obliquely upwards, 
situated on upper side of head. There is a large 
humeral spine. Scales very small and deeply em- 
bedded. Ground colour of head and body form 
brownish reticulations round whitish spots, those 
on hody being larger than those on head, First 
dorsal fin black. lt attains to 250 mm. in length, 
and is rather common along the entire coast of 
Japan, but especially abundant in southern Japan. 
Pterogobius virgo (Temminck & Schl+zel) 
“ Nisiki-haze "’ 
PL. XLVII, fig. 4. x1 
D. VIII, 28; A. 27; scales 133. 
Length of body equal to 4 times that of head, 
and to 6'/, times depth of body. Body rather 
elongated, cylindrical anteriorly, compressed pos- 
teriorly, covered with small finely etenoid scales, 
except on upper part where scales are ۰ 
Teeth simple, not trifid, slightly curved, arranged 
in 2 or 3 rows in both jaws. Barbels absent on 
chin. Pectoral fin has a few short free silk-like 
rays above. Colour of body greenish-olive above, 
paler below ; along sides of body 2 rather broad, 
bright-orange parallel, and longitudinal bars pre- 
sent, which are bordered above and below with 
clear blue; there is a blue-violet band on cheeks 
parallel with the lateral bars; sid.s of head are 
orange; a blue spot above each eye; dorsal fins 
olive above, with a narrow band of clear blue 
edged with orange. The species attains to a length 
of 200 mm.. This brilliantly eoloured fish is caught 
in estuarine waters and bays from Tokyo to 
Nagasakt. 
Rheopresbe fujiyamae Jordan & Starks 
**"Takitaro " 
PL. XI. VII, fg. 5. 8 
D. VII, 15; A. 14; 
Length of body equal Lo 3 times that of head, and to 
6 times depth of body. Head and anterior part of 
body depressed, the body scarcely deeper than the 
head. Mouth rather large; maxillary reaching to 
posterior margin of orbit; tuth small cardiform, 
Nasal spines acute, but no sharp; preopercle spine 
sharp and strongly hooked; 3 blunt spine below it, 
Pectoral rather broadly rounded behind. Skin every- 
where smooth. Colour of head and back dark brown, 
belly white; a dark bar under the fourth to seventh 
dorsal ray running obliquely forward and downward 
toward front of anal: head and body with dusky spots. 
This species is rather common in the rivers of southern 
Japan; it always live in rocky holes or under water 
grass. 
Acanthogobius flavimanus (Temminck & Schlegel) 
“ Mahaze "' 
PL. XLVII, fig, 6. x”), 
D. VIII, 14; A. 12; scales 48. 
Length of body equal to 3*/, times that of head, 
and to 5°/, times depth of body. Body rather 
elongated, cylindrical anteriorly, compressed be- 
hind. Teeth small, arranged in narrow bands in 
both jaws. Cheeks and upper part of operelss 
covered with small eyeloid scales. Colour of bady 
dark yellowish-brown above, paler below; sides of 
Periophthalmus cantonensis (Osbeck) 
“Tobihaze " - 
PL. XLVII, fig. 1. x1 
D. XIV, 12; A. 12; scales 75. 
Length of body equal to 4 times that of head, 
and to 5'/, times depth of body. Body elongated, 
sub-cylindrical anteriorly, compressed behind, cover- 
ed with very small cycloid scales; sharp and strong 
teeth arranged in a single row ineach jaw. Eyes 
small, placed high, close together, and prominent ; 
lower eyelid well developed and capable of extend- 
ing over whole eye. Pectoral fin with a muscular 
base. Colour of body dark-brown above, paler 
below, dark specks seattered on upper part of 
body; top of spinots dorsal dark, growing lighter 
towards its base. The species attains to 150 mm. 
in length. This fish haunts muddy bottoms on 
the coasts of China, Korea and southern Japan, 
being especially common in the Ariake Sound. 
Sicyopterus japonicus (Tanaka) 
'* Bézu-gori ’* 
PL. XLVII, fig. 2. x1 
D. VI, 11; A. 113 seales 59. 
Length of body 4% times that of head, and 
4'/ times depth of body. Length of head 62 
times diameter of eye, and 2'/. times length of 
snout. Body sub-eylindrical, but slightly com- 
pressed; caudal peduncle high, very much com- 
pressed. Eye small, inter-orbital broad, snout 
rather abrupt in profile, Mouth horizontal, beneath 
overhanging snout; lips wide and fleshy. Maxil- 
lary completely concealed beneath pre-orbital and 
lips, extending to vertical, and passing through 
anterior rim of eye, Teeth small, acute, in one 
row in each jaw; vomer and palatines toothless. 
Third spine of first dorsal produced and filiform. 
Scales small, etenoid ; head entirely sealeless. Colour 
of body brownish, pale beneath; about 10 cross- 
bands of brown colour present. A river fish of 
southern Japan, attaining to a length of 130 mm.. 
Arctoscopus japonicus (Steindachner) 
“ Hatahata ” 
PL. XLVII, fig. 3. x 
D. X to XI, 13; A. 30 to 31. 
Length of body equal to 3 */, times that of head, 
and to 3% times depth of body. Body rather 
elongated, compressed, without scales. Mouth large 
and almost vertical; teeth slender and sharp, ar- 
ranged ín bands in jaws and on yomer, but none 
on palatines. Pre-opercle with 5 sharp spines. 
Colour of body silvery, back light-brown, upper 
part of body mottled with irregularly shaped dark- 
brown blotches. The fish attains to 180 mm. in 
length. This species is very abundant in northern 
Japan, especially so around Akita. It spawns on 
rocky shores in December; the eggs are large and 
attached to sea-weed (Sargassum) or other objects. 
Average length 200 mm. and used as food. 
