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Issue: Vol. 5659 No. 1: 2 Jul. 2025
Type: Article
Published: 2025-07-02
DOI: 10.11646/zootaxa.5659.1.3
Page range: 51-68
Abstract views: 105
PDF downloaded: 11

Three new species of the shrimp family Alpheidae from the south-western Indian Ocean (Decapoda: Caridea)

Division of Biological and Environmental Science and Engineering; King Abdullah University of Science and Technology (KAUST); Thuwal 23955-6900; Saudi Arabia
Crustacea Alpheid shrimp snapping shrimp Arete Synalpheus Alpheus Madagascar Mozambique Channel

Abstract

Three morphologically distinct new species of the caridean shrimp family Alpheidae are described, based on material collected in the south-western Indian Ocean. Arete cornutus sp. nov. is described based on several specimens of both sexes from southern and south-western Madagascar. This new species appears to be closest to A. acanthocarpus Miya & Miyake, 1968, differing from it and all other congeners by the presence of prominent supra-orbital teeth. Synalpheus gloriosus sp. nov. is described on the basis of a single female holotype from Îles Glorieuses collected in the mesophotic zone at a depth range of 80–147 m. One of the main diagnostic characters of S. gloriosus sp. nov. is the presence of a dense brush of gambarelloid setae on the minor cheliped, a very uncommon feature among Indo-West Pacific species of the genus Synalpheus Spence Bate, 1888. Finally, Alpheus ledoyeri sp. nov. from the A. brevirostris (Olivier, 1811) species group is described based on a single male holotype collected in north-western Madagascar in 1960.

 

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How to Cite

Anker, A. (2025) Three new species of the shrimp family Alpheidae from the south-western Indian Ocean (Decapoda: Caridea). Zootaxa, 5659 (1), 51–68. https://doi.org/10.11646/zootaxa.5659.1.3