Sepiidae: Brief Summary
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Description
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Cuttlebone (shell or sepion) internal, chalky (calcareous), porous, finely laminate. Mantle broad, robust, sac-like, slightly flattened dorsoventrally; fins narrow, long (more or less equal to mantle length; posterior fin lobes free, not connected at midline; 10 circumoral appendages; arms with 2 to 4, and tentacles with 4 to 8 or more longitudinal rows of suckers; tentacles retractile into pockets on ventrolateral sides of head. Eyes covered with a corneal membrane. Colour: variable due to the great complex of chromatophores (pigment cells); browns, blacks, yellows, and reds are the dominating colours.
MASDEA (1997).
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