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Issue: Vol. 5271 No. 3: 27 Apr. 2023
Type: Article
Published: 2023-04-27
DOI: 10.11646/zootaxa.5271.3.7
Page range: 549-559
Abstract views: 586
PDF downloaded: 43

Description of a new species of the Alpheus edwardsii group (Decapoda: Alpheidae) with a distinctive colour pattern from the Indo-West Pacific

Universidade Federal de Goiás (UFG); Campus Samambaia; Instituto de Ciências Biológicas; ICB-5; Avenida Esperança s/n; Goiânia; GO; 74690-900; Brazil.
Red Sea Research Center (RSRC); King Abdullah University of Science and Technology (KAUST); Thuwal 23955; Saudi Arabia.
Crustacea Caridea Alpheus snapping shrimp Indian ocean Maldives Pacific ocean Philippines coral reef marine biodiversity

Abstract

A new snapping shrimp species of the Alpheus edwardsii (Audouin, 1826) group is described based on two specimens, one male and one female, collected on shallow-water reef flats of the Southern Ari Atoll in the Maldives, with a photographic record from Cebu in the Philippines. Alpheus octocellatus sp. nov. appears to be morphologically closest to A. edwardsii, A. pareuchirus Coutière, 1905, and A. leptochirus Coutière, 1905, but can be distinguished from all of them by a combination of morphological characters, mainly involving the chelipeds, third maxilliped and pleonal sternites. The new species also has a highly diagnostic colour pattern, with four pairs of conspicuous eyespots distributed in a unique and peculiar pattern on the pleon.

 

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