Umbrella octopus

An umbrella octopus is a deep-sea cirrate octopus whose arms are joined by a broad web. It spreads this web into an umbrella-like shape for swimming and capturing prey.

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Cirrina: Cirrina is a suborder of octopuses characterized by paired fins and small filaments called cirri along the arms. Umbrella octopuses belong to this finned, cirrate branch of octopuses.
Fin swimming: Fin swimming is locomotion produced by rhythmic movements of body fins. Umbrella octopuses use paired fins for controlled movement in the water.
Dumbo octopus: Dumbo octopus is a common name for cirrate octopuses with prominent ear-shaped fins. Its conspicuous fins illustrate the swimming equipment of cirrate octopuses.
Incirrina: Incirrina is a suborder of octopuses that generally lacks fins and arm cirri. It contrasts with the finned, cirrate lineage that includes umbrella octopuses.
Octopus: An octopus is a soft-bodied marine cephalopod with eight arms and a highly flexible body. Umbrella octopuses are octopuses with specialized fins and webbing.
Parachuting (animal locomotion): Parachuting is descent through water or air with an expanded body surface that slows or controls movement. Spreading the web can help an umbrella octopus glide or descend.
Grimpoteuthis: Grimpoteuthis is a genus of deep-sea cirrate octopuses commonly called dumbo octopuses. Members combine paired fins with the arm web characteristic of umbrella octopuses.
Common octopus: The common octopus, Octopus vulgaris, is a finless octopus found in coastal and offshore waters. Its lack of paired fins distinguishes it from cirrate umbrella octopuses.
Cephalopod: A cephalopod is a marine mollusk with arms or tentacles, including octopuses, squids, and nautiluses. This broader mollusk group includes all octopuses.
Predation: Predation is an interaction in which one organism captures and consumes another. The arm web can enclose small prey during feeding.