A dwarf form exists in the Mediterranean Sea, which was described as " Argonauta argo mediterranea"
2.
"Argonauta argo " is the largest species in the genus and also produces the largest eggcase, which may reach a length of 300 mm.
3.
In " Predation on jellyfish by the cephalopod " Argonauta argo " ", Heeger " et al . " describe their observations of a female " A . argo " found atop a host jellyfish.
4.
Deimatic behaviour is found in cephalopods including the common cuttlefish " Sepia officinalis ", squid such as the Caribbean reef squid ( " Sepioteuthis sepioidea " ) and bigfin reef squid ( " Sepioteuthis lessoniana " ), octopuses including the common octopus " Octopus vulgaris " and the Atlantic white-spotted octopus ( " Octopus macropus " ), and the paper nautilus ( " Argonauta argo " ).
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