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Dumbo Octopus (Grimpoteuthis bathynectes)

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description Dumbo Octopus (Grimpoteuthis bathynectes) Overview

Grimpoteuthis bathynectes is a deep-sea cirrate octopus in the group commonly called dumbo octopuses because paired fins project from the mantle like ears. The species is known from the northeastern Pacific and inhabits bathyal to abyssal depths, where it moves by fin swimming, arm movements, and web expansion. It is primarily of interest to deep-sea biologists and taxonomists studying finned octopuses and life in low-light, high-pressure environments.

help Dumbo Octopus (Grimpoteuthis bathynectes) FAQ

Why is Grimpoteuthis bathynectes called a dumbo octopus?

Its paired fins project from the mantle like ears, recalling Disney's Dumbo. Grimpoteuthis bathynectes is one named species in the genus Grimpoteuthis, described by Voss and Pearcy in 1990.

Where does Grimpoteuthis bathynectes live?

It is a deep-sea species of the northeastern Pacific, with records from abyssal plains near the Oregon region. Published accounts report depths of roughly 2,800 to 4,000 metres, placing it in bathyal-to-abyssal waters.

How does this dumbo octopus move?

Its large fins provide the main swimming motion, allowing it to hover and steer in dark deep water. Like other cirrate octopuses, it can also use its arms to maneuver near the seafloor.

Is Grimpoteuthis bathynectes the whole dumbo-octopus group?

No. Dumbo octopus is an informal name for several deep-sea species in and around the genus Grimpoteuthis, while G. bathynectes is one particular species. Its type locality is in the northeastern Pacific off Oregon.

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