.
.” 7
: j ? …
Osmettda€ Hypomosus
oùozrzs
1 4
Pond smelt
WIL\KASÀGi
\
Î\\\
bulb.olf.
__
._
_
_
.…………_____0
lob_olf,
———_
_)
IPS,
Ch.0pÎ.
_
...
:»;
_
@
Ch.ODÎ.
hypos_
_
iOL"-.iŸ__
—_————@
hypos.
‘
+
.
……______9
tect.
…ec..
N.3.
@
‘Ob'inf'
.
emïn gran
@
N.9.+10
em“”|-ÎŒ”q
%………_____©
acu..a .a.
'
'
\
"
_
med .ob.
med-Oh
5mm
lateral
ventral
dorsal
L————————-'
M……
Descriptive notes:
5ËÏÈÊ(EË-ÜËË(CÊËL7
Adults attain about 11 cm in body length.
(?ËË) (àL\ËLÇZD L<ŸÇËL\
Body somewhat elongate and moderately compressed.
ll\Êîäiïäbî UÎË< 72;&\.
Head somewhat peaked.
On sides of body a light—black vertical line is observed.
Live in upper waters of the seacoasts.
In the spawning season swim up rivers and spaWn.
Eat mainly small marine animals located by means of
sight.
Found in the central and to the north of the coastal waters
'
of Japan.
Landlocked species live in lakes, swamps and ponds of the
pure fresh waters.
This kind of species has phototaxis.
Caught by gill—nets, luring by light, or by pole and lines
with small marine animals as bait.
Lobus olfactorius small, lobus opticus enormousiy large.
Corpus cerebelli not very large.
—
54—55