Pteroctopus tetracirrhus reaches 35 cm. Abyssal octopod (Cephalopoda, Cirrata). Four cirri pairs (mobile tentacular filaments). Ultra-deep pelagic, slow sail-propelled swimmer. Transparent/translucent bioluminescent. Micro-organism midwater predator. 50-2000 m, mostly 500-1500 m. Extremely rarely observed even by deep divers. LC. Little known to divers.
Frequently asked questions
How big is the Four-armed Octopod?
Four-armed Octopod (Pteroctopus tetracirrhus) reaches 20–35 cm in length.
At what depth can you find the Four-armed Octopod?
Four-armed Octopod is found between 50–2000 m deep.
Is the Four-armed Octopod dangerous to divers?
Danger level: Harmless.
What is the conservation status of the Four-armed Octopod?
IUCN status: Least concern (LC).
Where can you find the Four-armed Octopod?
Found in: Asian Pacific, Caribbean, East Atlantic, Eastern Pacific, Indian Ocean & Red Sea, Macaronesia, Mediterranean.