First record of a rare deep-sea copepod, Gaussia intermedia Defaye, 1998 (Calanoida, Metridinidae), from the Atlantic Ocean
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3Departamento de Engenharia de Pesca (Depaq) da Universidade Federal Rural de Pernambuco (UFRPE), Rua Dom Manuel de Medeiros, s/n, Dois Irmãos, Recife, PE, Brazil
4Departamento de Oceanografia da Universidade Federal de Pernambuco (Docean-UFPE), Av. Arquitetura, s/n, Cidade Universitária, Recife, PE, Brazil
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Copepod crustaceans of the genus Gaussia inhabit open ocean waters in epipelagic and bathypelagic zones from 0 to 5000 m. They show high-speed vertical migration and bioluminescent characteristics. In the Atlantic Ocean only the species G. asymmetrica Björnberg T. K. S. & Campaner, and G. princeps (Scott T., ) have been recorded previously. We report the first occurrence of the rarely recorded G. intermedia Defaye, for the Atlantic off Brazil. The specimens were collected around the Rocas Atoll (3°51′S 33°49′W), through the ABRAÇOS (Acoustic along the BRazilian COast) project on board R/V “Antea” in October 2015, using a micronekton net (mesh size 1 mm) and oblique hauls. Five specimens were collected at Rocas Atoll, in depths of 510-525 m. This finding expands the global distribution of G. intermedia and is the first occurrence in the Atlantic Ocean, updating the checklist of meso-bathypelagic copepods for Brazilian waters.
Crustáceos copépodas do gênero Gaussia habitam águas abertas oceânicas em zonas epipelágicas e batipelágicas, de 0 a 5000 m. Eles apresentam migração vertical em altas velocidades e características bioluminescentes. No Oceano Atlântico apenas as espécies G. asymmetrica Björnberg T. K. S. & Campaner, e G. princeps (Scott T., ) foram registradas anteriorment. Nós reportamos a primeira ocorrência do raramente registrado G. intermedia Defaye, para o Atlântico fora do Brasil. Os espécimes foram coletados ao redor do Atol das Rocas (3°51′S 033°49′W), através do projeto ABRAÇOS (Acoustic along the BRazilian COast), a bordo do R/V “Antea” em Outubro de 2015, usando uma rede de micronecton (com abertura de malha 1 mm) em arrastos oblíquos. Cinco espécimes foram coletados no Atol das Rocas, nas profundidades de 510-525 m. Este achado expande a distribuição global de Gaussia intermedia e sua primeira ocorrência no Oceano Atlântico, atualizando o checklist dos copépodas de meso-batipelágicos para águas Brasileiras.
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First record of a rare deep-sea copepod, Gaussia intermedia Defaye, 1998 (Calanoida, Metridinidae), from the Atlantic Ocean
In: CrustaceanaSearch for other papers by F. A. Alves-Júnior in
Current site
Google Scholar
PubMed
3Departamento de Engenharia de Pesca (Depaq) da Universidade Federal Rural de Pernambuco (UFRPE), Rua Dom Manuel de Medeiros, s/n, Dois Irmãos, Recife, PE, Brazil
4Departamento de Oceanografia da Universidade Federal de Pernambuco (Docean-UFPE), Av. Arquitetura, s/n, Cidade Universitária, Recife, PE, Brazil
Search for other papers by A. Bertrand in
Current site
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PubMed
Search for other papers by P. A. M. C. Melo in
Current site
Google Scholar
PubMed
Search for other papers by É. P. Correia in
Current site
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PubMed
Search for other papers by L. G. P. Figueiredo in
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PubMed
Search for other papers by S. Neumann-Leitão in
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PubMed
Copepod crustaceans of the genus Gaussia inhabit open ocean waters in epipelagic and bathypelagic zones from 0 to 5000 m. They show high-speed vertical migration and bioluminescent characteristics. In the Atlantic Ocean only the species G. asymmetrica Björnberg T. K. S. & Campaner, and G. princeps (Scott T., ) have been recorded previously. We report the first occurrence of the rarely recorded G. intermedia Defaye, for the Atlantic off Brazil. The specimens were collected around the Rocas Atoll (3°51′S 33°49′W), through the ABRAÇOS (Acoustic along the BRazilian COast) project on board R/V “Antea” in October 2015, using a micronekton net (mesh size 1 mm) and oblique hauls. Five specimens were collected at Rocas Atoll, in depths of 510-525 m. This finding expands the global distribution of G. intermedia and is the first occurrence in the Atlantic Ocean, updating the checklist of meso-bathypelagic copepods for Brazilian waters.
| All Time | Past Year | Past 30 Days | |
|---|---|---|---|
| Abstract Views | 332 | 36 | 2 |
| Full Text Views | 178 | 4 | 0 |
| PDF Views & Downloads | 23 | 1 | 0 |