Is this for real?
It certainly looks suspect - perhaps an April Fools’ joke, as suggested in the Tonmo forums. In any case, one should be suspicious of anything that baffles Steve O’Shea as much as this:
The tentacle length is inconsistent with that of Architeuthis, but the body and fins don’t look quite right for an ommastrephid (Humboldt), unless it is sick. It’s certainly no Moroteuthis! It has me scratching my head a little. The swimming keels are consistent with an ommastrephid.