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Issue: Vol. 5476 No. 1: 4 Jul. 2024
Type: Article
Published: 2024-07-04
DOI: 10.11646/zootaxa.5476.1.33
Page range: 447-462
Abstract views: 13
PDF downloaded: 1

Description of a new species of freshwater shrimp (Decapoda: Caridea: Atyidae) from Mount Danxia, Guangdong, China, based on morphological and molecular evidence

Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai); State Key Laboratory of Biocontrol; School of Ecology; Sun Yat-Sen University; Shenzhen; China
Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou); Guangzhou; China.; School of Life Sciences; The Chinese University of Hong Kong; Hong Kong; China
Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai); State Key Laboratory of Biocontrol; School of Ecology; Sun Yat-Sen University; Shenzhen; China
Crustacea Caridea Atyidae freshwater shrimp Caridina Guangdong new species

Abstract

A new atyid species, Caridina danxiaensis sp. nov., is discovered from Danxia Mountain National Nature Reserve in Guangdong Province. Morphological investigations show obvious differences from any known Caridina species. It can be easily distinguished from its congeners based on distinct characteristics of the rostrum, stylocerite, and uropodal diaeresis. Genetic analysis of Caridina based on 16S rRNA gene sequences also supports the distinctiveness of the new species from all other morphologically similar species. The sequence divergence (Kimura 2-parameter model) based on this gene between the new species and its closest congener, C. clinata, was 5.7%.

 

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