The big-finned jellyhead octopus is the common name for this Cirroteuthis muelleri.

The big-finned jellyhead lives along the ocean floor at depths over 6,000 ft. They can only be reached via submersible which makes them tricky to study.

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Octopuses have been found to have sophisticated problem-solving abilities, such as being able to open jars and solve mazes

The Dana Octopus Squid is a rare 7-foot squid with two tennis ball-sized organs that light-up

Octopuses don’t have tentacles, they have arms with suction cups

Blue-ringed octopus bites are tiny and painless but can kill up to 26 humans within minutes

Octopuses have over 2,000 suction cups on all eight arms

Gloomy octopuses will throw things when their personal space is invaded