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Article
Published: 2018-01-31

Description of a new species of Caridina (Crustacea: Decapoda: Atyidae) from two Micronesian islands (Guam and Babeldaob)

Muséum national d’Histoire naturelle, Département Adaptations du Vivant, UMR 7208 BOREA, CP026, 57, rue Cuvier, F-75231 Paris, Cedex 05.
Muséum national d’Histoire naturelle, Département Adaptations du Vivant, UMR 7208 BOREA, CP026, 57, rue Cuvier, F-75231 Paris, Cedex 05.
Kansas Biological Survey and the Natural History Museum (Biodiversity Institute), Kansas University, Higuchi Hall, 2101 Constant Avenue, Lawrence, KS 66047-3759, USA.
Muséum national d’Histoire naturelle, Département Adaptations du Vivant, UMR 7208 BOREA, CP026, 57, rue Cuvier, F-75231 Paris, Cedex 05.
Crustacea Caridina New species Micronesia Integrative taxonomy 16S Morphology

Abstract

During field trips to Guam and Babeldaob Islands in Micronesia, freshwater shrimps were sampled and assigned either to Caridina brachydactyla De Man, 1908 or C. mertoni J. Roux, 1911 (Decapoda: Atyidae), following previous inventories. In combining morphological data with a genetical analysis, it appeared that all the specimens belonged to a new species, Caridina variabilis sp. nov., here described with its distribution. The status of this new species is clarified and finally, neither C. brachydactyla, nor C. mertoni occur in these two islands. DNA sequences of 16S were obtained from the syntypes of C. mertoni.

 

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