New records of holothurian-associated pea crab Pinnixa tumida Stimpson, 1858 (Crustacea: Decapoda: Pinnotheridae) from the Russian coastal waters of the Sea of Japan


I. Marin

Pea crab Pinnixa tumida Stimpson, 1858 associated with burrowing holothurian Paracaudina chilensis (Müller, 1850) is recorded from the Peter the Great Bay and Posjeta Bay of the Sea of Japan. The new locality where the species was found in situated about 130 km north-east from the previous record and present the most northern distribution of the species in the Northern Pacific. The distribution of the species in other areas is discussed in the paper.

Keywords: Crustacea; Decapoda; Brachyura; Pinnotheridae; Pinnixa tumida; Paracaudina; pea crab; symbionts; new records; sea of Japan

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