Rathkea [Rathkea]

Description

Rathkea is a genus of small marine jellyfish within the family Limnomedusae, notable for their bright colors and small size, often not exceeding a few centimeters in diameter. They are primarily found in cold and temperate waters, including the Arctic, North Atlantic, and North Pacific Oceans. Rathkea medusae are characterized by their solitary lifestyle and the presence of long, slender tentacles used for capturing prey. The lifecycle of Rathkea involves both a sessile polyp stage and a free-swimming medusa stage.

Species

Octocoral [Rathkea octopunctata]

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White Sea Anemone [Rathkea lizae]

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Mediterranean Hydroid [Rathkea mediterranea]

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Taxonomy