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Descriptäve notes:
r'7<,«l\l :…
Adults attam
about 25 cm in
oooy length.
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Somewnat deep booy eompressed. îhe he:gnt or peoun…e
.
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.,
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is low.
Top of head flat.
l‘vloutn cle-ft almost vert:cally.
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Body color silver—white with small brown spots on upper
part of body.
Live at the bottoms of deep waters around
the continental shel‘f.
Eat mainly small marine animals located by means of
acoustico-lateralis system and olfactory sense.
Extent of migration comparatively narrew.
Swimming movement slow.
Found in the waters of Alaska, Kamchatka, Kuril
Saghalien, Hokkaido, northeast districts of Japan and Japan
Sea.
Caught by gili nets during the spawning season when fish
approach the seacoasts.
ln other
caught by
bottom set nets in the deep waters around the continental
shelf of offing.
Bulbus olfactorius hammer-shaped and closely adhered to
lobus olfactorius.
Lobus olfactorius divided into upper and
lOWer parts.
Lobus inferior expanded laterally. Lobus opticus egg-shaped
and small.
Corpus cerebelli extends vertically and is small.
Eminentia
granularis oval and small.
Æ/f4/,æ
.
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124 — 125