|Classification:||Cephalopoda - Coleoida - Oegopsida|
|Size/Grows to:||Length 19cm (mantle)|
(=diadema Chun =longimanus Imber not Steenstrup)
|Distribution:||Recorded southward from southern North Island, widespread throughout the Southern Ocean. Near surface at night to 600 metres during daylight|
|References and Publications:|
Note: Localities are approximate, and represent only some of the known localities for the species.