Very large species; living specimens up to 400 mm long and 140 mm wide mid-body; preserved specimens from 225 to ... [details]
Life size from moderate to very large (400 mm) in length; body stout with thick and firm body wall, covered by ... [details]
This species is characteristic of somewhat deeper tropical waters; it has been observed from 12 to 45 m. The ... [details]
The name caerulea, Latin, refers to the unique blue colour of the species. [details]
Tentacles with rods only; base of tentacles with few, straight to slightly curved, smooth rods, 50–90 mm long ... [details]