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DOI: http://dx.doi.org/10.11646/zootaxa.3884.5.3

A new species of Boca Lowry & Stoddart, 1997 (Amphipoda: Lysianassoidea: Aristiidae) from a mesophotic coral ecosystem off Puerto Rico, Caribbean Sea

ANDRÉ R. SENNA, RAYANE SORRENTINO, TAPAS CHATTERJEE, NIKOLAOS V. SCHIZAS

Abstract


A new species of the genus Boca Lowry & Stoddart, 1997 is described from a mesophotic coral ecosystem off southwestern Puerto Rico, in the Caribbean Sea. The new species is easily recognized from the others in the genus mainly by the following characters: (1) maxilliped, inner plate with 2 long apical simple setae; palp, articles slender, subequal in length; (2) gnathopod 1, propodus slightly elongate, about 2.5 × longer than wide, and palm extremely acute, quite long and distinctly demarked by a robust seta at the palmar corner; (3) gnathopod 2, carpus slightly elongate, about 3.7 × longer than wide; (4) pereopod 5, basis widely expanded posteriorly, posterior margin rounded and smooth, and posteroventral lobe weakly developed. We also present a key to world species of Boca. This is the fifth species of Boca from world’s oceans and the first record of the genus from Puerto Rico.


Keywords


taxonomy, Biodiversity, Boca gurui sp. nov., Mesophotic Coral Ecosystems, Western Atlantic

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References


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