Sites

Incirrata - English
URL: http://www.fmnh.helsinki.fi/users/haaramo/Metazoa/Protostoma/mollusca/cephalopod

Classification.

[ eng ]

Swim bladder - English
URL: http://www.soest.hawaii.edu/tree/cephalopoda/coleoidea/octopodiformes/octopoda/i

The swimbladder is located in the middorsal region of the visceral mass and connects to the mantle cavity via a muscular duct on the right side. The sac is located at the center of mass just above the center of gravity, a position that allows for stability and manoeverability.

[ eng ]

Ocythoidae - English
URL: http://www.soest.hawaii.edu/tree/cephalopoda/coleoidea/octopodiformes/octopoda/i

Ocythoe tuberculata Rafinesque, 1814.

[ eng ]

OCYTHOIDAE - OCY - French
URL: http://www.fao.org/docrep/x0169f/x0169fbx.htm

Dimorphisme sexuel marqué, les femelles étant 5 à 10 fois plus grandes que les mâles. Bras II et III nettement plus courts que I et IV; absence de membrane interbrachiale. Pores aquifères uniquement du côté ventral. Les oeufs se développent dans l'oviducte très long (seul céphalopode ovovivipare).

[ fra ]