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Descriptive noîe81
Adulî aî‘tains aboui—î 40cm in body length.
The head slightly peakeo‘ and cylindrlcai
On îhe dorsal suriace many wave—like spoîs
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the venîral surface. silver-White.
Live near the surface and in the. midwaters of
îhe sea—coast in schools.
Eat small marine animals.
Positiveiy phoîoîaxls.
Swimming movement very quick.
Extent of migration very wide.
Distribution extends from
Sakhalin io South China.
Caught by purse seins with light at nig‘ni,
sometimes by long lines.
Buibus oifacîorius attaches to lobus olfactorius.
Telencephaion rela'tively small.
Optic tecium well—developed.
Cerebellum enormously well-developed.
Acoustico-lateral area well-developed.
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