Loligo General Characteristics | Free Biology Notes

Loligo General Characteristics

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General Characteristics of Loligo

• It is a marine mollusc commonly called squid
• Body is long, slender, pigmented and tapering behind
• A fin is present along its postero-lateral edges
• The shell is internal and feather-like
• The body is divisible into head, collar (neck) and trunk.
• Head bears a pair of large bulging eyes 4 pairs of thick and small arms and a pair of long, slender and clubbed tentacles.
• An ink sac is present at the base of funnel which serves as organ of defence.
• Sexes separate and development is direct

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