bottle-tailed squid

References

bottle-tailed squid

cephalopod

Also known as: sepiolid

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cephalopod
Annotated classification
(cuttlefishes and bottle-tailed squids) Early Cenozoic to present; worldwide with family exceptions; shell coiled and chambered (Spirulidae), straight with vestigial chambering (Sepiidae), vestigial, or lacking; eyes covered with transparent membrane; 8 sucker-bearing arms and 2 tentacles retractile into pockets; total length 2.5–90 cm. Order Teuthoidea (squids)
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(cuttlefishes and bottle-tailed squids) Early Cenozoic to present; worldwide with family exceptions; shell coiled and chambered (Spirulidae), straight with vestigial chambering (Sepiidae), vestigial, or lacking; eyes covered with transparent membrane; 8 sucker-bearing arms and 2 tentacles retractile into pockets; total length 2.5–90 cm. Order Teuthoidea (squids)
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cephalopod
Behaviour
…luciferin and luciferase or, in bottle-tailed squids (sepiolids), indirectly, through cultures of luminescent bacteria. Photophores distributed over the body are employed at night or in the mid depths in various ways: mating play, recognition of the sexes, aid in schooling, attracting prey, defense, and camouflage. The light organs of the…
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…luciferin and luciferase or, in bottle-tailed squids (sepiolids), indirectly, through cultures of luminescent bacteria. Photophores distributed over the body are employed at night or in the mid depths in various ways: mating play, recognition of the sexes, aid in schooling, attracting prey, defense, and camouflage. The light organs of the…
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