Journal
ZOOTAXA
Volume 4759, Issue 4, Pages 511-529Publisher
MAGNOLIA PRESS
DOI: 10.11646/zootaxa.4759.4.3
Keywords
Macrobrachium; New species; Sty gophile prawn; Freshwater biodiversity; Integrative taxonomy; Karst landform; Spelaeology; Southwestern China
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Funding
- project Special Fund for Central Public Welfare Research Institutes [PM-zx097201904-134]
- Investigation on crustaceans in priority area of Mangrove Diversity Protection in Guangxi Zhuang Autonomous Region [kh19051]
- special fund for the cultivation of science and technology innovation of the university students in Guangdong in 2019 (climbing plan) [pdjh2019b0510]
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Based on morphological, molecular, and ecological evidences, a fourth species of cave-dwelling shrimp Macrobrachium tenuipes sp. nov. is described from Guangxi Zhuang Autonomous Region, southwestern China. This new species with smooth carapace and the extremely slender pereiopods, can be separated from other congeners by the shape of rostrum; the segmental ratios, the arrangement of teeth on the cutting edge of the fingers of second pereiopod; the longer and narrower scaphocerite; and the longer uropodal diaeresis spine. The new taxon is genetically distinct from 18 other species of Macrobrachium for which COI and 18S rRNA sequences are available. The data observed on the habitat and ecology will contribute to the conservation for M. tenuipes sp. nov.
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