Ptychogastria [Ptychogastria]

Description

Ptychogastria is a genus within the family Ptychogastriidae, consisting of deep-sea jellyfish. These gelatinous organisms are distinguished by their bell-shaped bodies, which lack tentacles but instead have several short, arm-like appendages. They inhabit the deep pelagic zones of the ocean, often found at depths exceeding several hundred to a few thousand meters. Members of this genus are characterized by their unique reproductive strategies, bioluminescence, and the ability to withstand the high-pressure conditions of the deep sea. Their diet primarily consists of small planktonic organisms, which they capture using their sticky arm-like appendages.

Species

Polar pteropod [Ptychogastria polaris]

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Taxonomy