Description of a new montane freshwater crab (Arthropoda, Malacostraca, Decapoda, Potamonautidae) from the Eastern Cape, South Africa

被引:4
|
作者
Peer, Nasreen [1 ]
Gouws, Gavin [2 ]
Maliwa, Lazola [3 ]
Barker, Nigel [4 ]
Juby, Paul [4 ]
Perissinotto, Renzo [5 ]
机构
[1] Stellenbosch Univ, Dept Bot & Zool, Merriman Ave, ZA-7600 Stellenbosch, South Africa
[2] South African Inst Aquat Biodivers, Natl Res Fdn, Private Bag 1015, ZA-6140 Grahamstown, South Africa
[3] Albany Museum, 40 Somerset St, ZA-6139 Grahamstown, South Africa
[4] Univ Pretoria, Dept Plant & Soil Sci, Private Bag X20, ZA-0028 Pretoria, South Africa
[5] Nelson Mandela Univ, Inst Coastal & Marine Res, ZA-6031 Gqeberha, South Africa
基金
新加坡国家研究基金会;
关键词
Afrotropical Region; Brachyura; high altitude streams; molecular analyses; morphology; taxonomy; SP; NOV; BRACHYURA; RIVER CRAB; MORPHOLOGICAL EVIDENCE; GREAT ESCARPMENT; WESTERN-CAPE; YIELDS; MACLEAY; FORESTS; DRAKENSBERG; DIVERGENCE;
D O I
10.3897/zookeys.1160.100844
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
A new species of freshwater crab, Potamonautes amathole sp. nov., is described from the WinterbergAmathole mountain range in the Eastern Cape Province, South Africa. Morphologically, P. amathole Peer & Gouws, sp. nov. most closely resembles P. tuerkayi but can be distinguished by key morphological characters including the variation in the shape of the subterminal segment of gonopod 2 between both species. Genetically, P. amathole Peer & Gouws, sp. nov. is placed within the clade of small-bodied, mountaindwelling crabs including P. parvispina, P. parvicorpus, P. brincki, P. tuerkayi, P. baziya, and P. depressus. The new species is found in slow-moving mountain streams and pools at high altitudes. The continued discovery and description of new freshwater crab species reinforces the need for ongoing research, especially in under-sampled regions.
引用
收藏
页码:89 / 108
页数:20
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