Japetella diaphana tentacles and buccal cavity Japatella diaphana is an octopus member of the Bolitaenidae family, and like the other members of its family, is very small - 12 cm long at most. They live, eat, and breed in the pelagic zone of the ocean, unlike deep-sea squid, which rarely spend their entire lives at such depths.  Mature females have a bioluminescent photophore encircling their beak. Die Cephalopoden. Ewald Rubasmen, 1910.

Japetella diaphana tentacles and buccal cavity

Japatella diaphana is an octopus member of the Bolitaenidae family, and like the other members of its family, is very small - 12 cm long at most. They live, eat, and breed in the pelagic zone of the ocean, unlike deep-sea squid, which rarely spend their entire lives at such depths. 

Mature females have a bioluminescent photophore encircling their beak.

Die Cephalopoden. Ewald Rubasmen, 1910.

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