:5
l‘A|uteridae
Navodon modestus (Gunther)
D
Japanese file fish
UMAZURAHAGI
_
N.olf.
N.olf.
—…
bulb.olf.
bu'b'o'f,
lob.olf.
sul.yp.
0
cho
_
ch.opt.
infund.
'
N.3
.
_
tect.
_
tect.
___—_9
lob inf
emin.gran.
lob.mf.
@
N9
sac.vas.
-
N.8.
_
cristch
©
.
.
_
med.ob
med.ob
a
med.sp.
‘
med.sp.
—————-e
.
.
___—®
;
_
5mm
lateral
ventral
dorsal
W
Descriptive notes:
“ËËlËË'FËŒËÊVÊËŒËËËËEÆ U,
Adults attain about 30 cm in body length.
à:< %ËLTC“ËË<ËËËËLÎL\%È.
Long oval body extremely compressed.
<‘:.<
Villous scales cover whole body.
(’l‘ËÈi)
Teeth incisor-like.
A spine on the dorsal fin stands quite vertically.
_
‘
Body color dark-brown with blue tinge, ventral surface,
lighter.
Fins greenish-blue.
»
Swim near the sandy and muddy bottoms of shallow seas.
Polyphagous.
Swimming movement slow.
,.
Found along the coasts of Hokkaido, various districts of
Japan’s main island and south Korea.
.
Caught by trawlers.
’
This species is a game fish.
'
"
Lobus olfactorius is connected with bulbus olfactorius by
'
olfactory tract. Lobus olfactorius very well-developed.
'
its dorsal protuberance extends toward Optic lobe, so that
‘ _
large optio lobe expanded laterally.
Interior lobe very large.
,
Corpus cerebelli large and elongated.
'
\
.
.
‘
_
?
176—177
.
‘
‘
-