New records and bathymetric distribution of deep-sea shrimps of the family Glyphocrangonidae (Decapoda: Caridea) from the Potiguar Basin, northeastern Brazil

被引:7
作者
Alves-Junior, Flavio de Almeida [1 ]
Leitao Camara de Araujo, Marina de Sa [2 ]
Souza-Filho, Jesser F. [1 ]
机构
[1] Univ Fed Pernambuco UFPE, Museu Oceanog, Lab Carcinol, Av Arquitetura S-N, Recife, PE, Brazil
[2] Univ Pernambuco UPE, Fac Ciencias Educ & Tecnol Garanhuns, Colecao Didat Zool UPE, Rua Capita Pedro Rodrigues 105, Sao Jose Garanhuns, PE, Brazil
关键词
Continental slope; geographical distribution; Glyphocrangon; new occurrences; South Atlantic; A; MILNE-EDWARDS; GENUS GLYPHOCRANGON; CRUSTACEA; ATLANTIC; CRANGONIDAE; PANDALIDAE; PACIFIC; SOUTH;
D O I
10.1590/2358-2936e2017002
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
The caridean family Glyphocrangonidae Smith, 1884 is monotypic, including only the genus Glyphocrangon A. Milne-Edwards, 1881. The species of this genus are exclusively inhabitants of deep sea. The current contribution aims to enrich the knowledge of Glyphocrangon in the southwestern Atlantic, by reporting its occurrence and bathymetric distribution in the Potiguar Basin, northeastern Brazil. The samples were collected by R/V Luke Thomas and R/V Seward Johnson, with bottom trawling at isobaths of 400, 1,000 and 2,000 m, using an otter trawl semi-balloon. The specimens were identified and stored in the carcinological collection of the Museu de Oceanografia Prof. Petr6nio Alves Coelho, in Recife, Brazil A total of 810 specimens were examined from five species: Glyphocrangon aculeata A. Mike-Edwards, 1881, G. alispina Chace, 1939, G. longirostris (Smith, 1882), G. scu/pta (Smith, 1882) and G. spinicauda A. Mike-Edwards, 1881. Glyphocrangon spinicauda was the most abundant with 334 individuals, and G. sculpta was the rarest, with only one individual. All species were recorded in the study area for the first time.
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页数:15
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