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First record of the symbiotic palaemonid shrimp Hamodactylus boschmai Holthuis, 1952 (Decapoda, Caridea) from Korea

In: Crustaceana
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  • 1 College of Natural Sciences, Seoul National University, Seoul 08826, Republic of Korea
  • | 2 Overseas Biological Resources Team, National Institute of Biological Resources, Incheon 22689, Republic of Korea
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Abstract

Here, the symbiotic palaemonid shrimp Hamodactylus boschmai is recorded from Korean waters for the first time, based on specimens collected from different invertebrate hosts by trimix diving at depths of between 45 and 60 m in Jejudo Island. This species can readily be distinguished from its congeners by the presence of a distinct supraorbital tooth, the proximal segment of the antennular peduncle having a single tooth on the distolateral margin, the presence of a denticulate lamina along the entire cutting edge of the fingers of the first pereiopod chela, and the chela of the second pereiopods having a strongly hooked tip on the movable finger. An illustrated description, colour photographs, and a comparison of partial mitochondrial cytochrome c oxidase subunit I gene sequences are provided.

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