-
‘
—
&
omca
Qiiou .. …
Engraulldae Engraulm JI _p
—lllWÂSi—il (him
-
…
Japanese anchovy
KATAKUC!
\
\\\__..rw
…; _….
/
——N.olf.
_
“
1
_
……_…//
\—bulb.olf.
b…-C-—
_
‘
‘
\'_,iob_oif.
_
..……………____________g
‘
ch.opt.
-‘Ë
.»
ch.opt.
__
_
ct.
,_
_
acu.lat.a.
i0b—inf“
_
‘
IOb'lnf.
min.gran_
sac.VâS.
]
C..….
_
_
…
crist.cbi.
“…“—'—"_———®
N.9.+10.
'
crist.cbl.
vent.q.
…
W'““‘Œ
med.ob.
_
_
med.ob.
.
«———-—-———=—=——-———__®
_
med.sp.——\
5mm
lateral
ventre!
dorsal
l__—————-——-—'
Descriptive notes:
Adults attain about 13 cm in body length.
Body slightly compressed.
ÜËË) iià”…< %ËL'Cbô.
Snout thrust out.
_FË(Ë’J‘ÈVLower jaw exceedingly small than the upper jaw.
Eyes very large.
ln
no lateral lines.
ËËË
Scales come off easily.
Color of dorsal surface blue-black and ventral surface,
silver—white.
Swim in schools during the day and night in upper and
mid-waters of the seacoasts and inlets.
Eat mainly zooplankton located by means of sight.
,
Extent of migration comparatively wide.
Strong phototaxis.
Swimming movement ”comparatively quick.
Found along almost all seacoasts of Japan.
Caught by purse and seine and stick-heel clip nets.
Bulbus olfactorius small and closely attached to lobus
olfactorius.
Lobus opticus well-developed, but Iobus inferior
compressed and small.
Corpus cerebelli, eminentia granularis and crista cerebelli
show moderate development.
'
… .… .ää
38—39