°
°
—
"».
Platyœphalldae PZatycephalus
andreas (Lil ;…
86
Japanese
tlathead
KOCHl
…
……
.
.………………
.…___\
N.olf.
"'
':‘îf' ”
bulb.olf.
LI
.0
.
ch.0ptch.opt
hyDOS……………g
hypos
lob.olf.
‘
lob.olt.
lob.inf.
_ b' f
sac.dor.
“
"“"“
'
'“———G
.
n .
,
N.3.
_
_Îgl
infund.
”…“—“WG
N.8
’
.
N.5.
Ÿ
ac.vas.
_
.
____
ran
.
»
emin.gran.
.
m1
.
-
.
“
bl
g
c.cbl.
@
.C
.
_
vennq.
@
…
—
lob.vag.
lob.vag
…—————9
_
.
°
med.ob
'.
.
med.ob
@
med.sp
_
N.9.+10___—__œ
.
__
med.sp.
‘
.
5mm
lateral
ventral
dorsal
=
L___——l
‘
Desgr;pt;ve notes:
na;æramw anicoa
Adults attain about 40 cm in body length.
,
Broad and smooth head extremely depressed with almost no
<Ï?ËË) läll\ë <,
‘
'
spine's.
Nostrils large; eyes small; large mouth cleft
(TÊ) liclî< %ËLÎKA6.
horizontally.
Two spines present at the angle of
preopercle.
A broad band of ciliary teeth present in each
jaw.
.
_
-
;Ë
Vomer_ and palatine with teeth.
Fins, except caudal fin,
are
dotted with dusky spots.
A black spot on the center of
caudal fin with two bands running obliquely on upper and
lower parts..
'
Bottom fish living in the sandy and muddy regions along
'
‘
the seacoasts.
Extent of migration narrow.
.
Swimming movement slow.
_
Eat small marine animals
sea-bottom such as
_
fingerlings, crabe, clamworms and'0phiuroidae, located
'
possibly by means of gustatory and olfactory senses.
l
Distribution extends from the coastal waters of the central
:
and southern parts of Japan’s main island to the waters of
south Korea, Inde China, India and Red Sea.
‘
_
'
Caught by long lines and trawlers.
_
Bulbus olfactorius egg-shaped and closely adhere‘d to lobus
'
-
,
olfactorius.
Nervus olfaCtoriùs thick.
Lobus olfactorius
:
egg-shaped and comparatively large.
Lobus opticus long
‘
:ggî
oval and relatively small.
Lobus inferior expanded‘ laterally.
_
,
Corpus cerebelli small.
.
_
Eminé_ntia granularisWell developed.
_
_
Î
198—199
5
'
.
,
°
—
"».
Platyœphalldae PZatycephalus
andreas (Lil ;…
86
Japanese
tlathead
KOCHl
…
……
.
.………………
.…___\
N.olf.
"'
':‘îf' ”
bulb.olf.
LI
.0
.
ch.0ptch.opt
hyDOS……………g
hypos
lob.olf.
‘
lob.olt.
lob.inf.
_ b' f
sac.dor.
“
"“"“
'
'“———G
.
n .
,
N.3.
_
_Îgl
infund.
”…“—“WG
N.8
’
.
N.5.
Ÿ
ac.vas.
_
.
____
ran
.
»
emin.gran.
.
m1
.
-
.
“
bl
g
c.cbl.
@
.C
.
_
vennq.
@
…
—
lob.vag.
lob.vag
…—————9
_
.
°
med.ob
'.
.
med.ob
@
med.sp
_
N.9.+10___—__œ
.
__
med.sp.
‘
.
5mm
lateral
ventral
dorsal
=
L___——l
‘
Desgr;pt;ve notes:
na;æramw anicoa
,
Broad and smooth head extremely depressed with almost no
<Ï?ËË) läll\ë <,
‘
'
spine's.
Nostrils large; eyes small; large mouth cleft
(TÊ) liclî< %ËLÎKA6.
horizontally.
Two spines present at the angle of
preopercle.
A broad band of ciliary teeth present in each
jaw.
.
_
-
;Ë
Vomer_ and palatine with teeth.
Fins, except caudal fin,
are
dotted with dusky spots.
A black spot on the center of
caudal fin with two bands running obliquely on upper and
lower parts..
'
Bottom fish living in the sandy and muddy regions along
'
‘
the seacoasts.
Extent of migration narrow.
.
Swimming movement slow.
_
Eat small marine animals
sea-bottom such as
_
fingerlings, crabe, clamworms and'0phiuroidae, located
'
possibly by means of gustatory and olfactory senses.
l
Distribution extends from the coastal waters of the central
:
and southern parts of Japan’s main island to the waters of
south Korea, Inde China, India and Red Sea.
‘
_
'
Caught by long lines and trawlers.
_
Bulbus olfactorius egg-shaped and closely adhere‘d to lobus
'
-
,
olfactorius.
Nervus olfaCtoriùs thick.
Lobus olfactorius
:
egg-shaped and comparatively large.
Lobus opticus long
‘
:ggî
oval and relatively small.
Lobus inferior expanded‘ laterally.
_
,
Corpus cerebelli small.
.
_
Eminé_ntia granularisWell developed.
_
_
Î
198—199
5
'
.
,
