FRESHWATER CRABS IN LAKE ATITLAN, GUATEMALA: NOT A SINGLE-SPECIES FISHERY

被引：3

作者：

Wehrtmann, Ingo S. ^{[1
,2
]}

Magalhaes, Celio ^{[3
]}

Orozco, Monica ^{[4
]}

机构：

[1] Univ Costa Rica, Escuela Biol, Museo Zool, San Jose 115012060, Costa Rica

[2] Univ Costa Rica, Ctr Invest Ciencias Mar & Limnol CIMAR, Unidad Invest Pesquera & Acuicultura UNIP, San Jose 115012060, Costa Rica

[3] Inst Nacl de Pesquisas da Amazonia, BR-69080971 Manaus, Amazonas, Brazil

[4] Univ Valle Guatemala, CECTA, Cuidad De Guatemala, Guatemala

来源：

JOURNAL OF CRUSTACEAN BIOLOGY | 2014年 / 34卷 / 01期

关键词：

fishery; Guatemala; Lake Atitlan; Pseudothelphusidae; DECAPODA;

D O I：

10.1163/1937240X-00002200

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

Guatemala harbors a rich fauna of freshwater crabs of Pseudothelphusidae, consisting of 11 currently valid species in six genera. As far as we know, the only freshwater crab fishery in the Americas takes place in Lake Atitlan in Guatemala, and the species sustaining the artisanal crab fishery is supposedly Potamocarcinus guatemalensis (Rathbun, 1905). However, a close examination of the gonopods from specimens recently captured in Lake Atitlan revealed that they belonged to Raddaus bocourti (A. Milne-Edwards, 1866) and Potamocarcinus magnus (Rathbun, 1896). Another species, R. tuberculatus (Rathbun, 1897) has been reported from the surroundings of Lake Atitlan, but its occurrence in the lake itself remains to be confirmed. The presence of at least two freshwater crab species of two different genera has important implications for the management of this artisanal fishing activity, because local and regional authorities erroneously assumed to deal with a single-species fishery.

引用

页码：123 / 125

页数：3

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