Ocorrência de Tripalea clavaria (Studer, 1878) na plataforma continental do Rio Grande do Sul

Tommasi, Luiz Roberto

doi:10.1590/s0373-55241971000100003

Bol. Inst. Oceanogr.

1971

DOI: 10.1590/s0373-55241971000100003

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Ocorrência de Tripalea clavaria (Studer, 1878) na plataforma continental do Rio Grande do Sul

Luiz Roberto Tommasi

Abstract: The occurrence and distribution of Tripalea clavaria (Studer, 1878) is discussed, in relation to Brazilian and Falklands currents convergence and water mass in the South-western Atlantic.

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Predation by the nudibranch Tritonia odhneri (Opisthobranchia: Tritoniidae) on octocorals from the South Atlantic Ocean

García-Matucheski

Muniain

2010

Mar Biodiv

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The diet of the nudibranch mollusc Tritonia odhneri was investigated for the first time based on a detailed anatomical analysis of the gut content of 52 specimens. Digestive tracts of specimens were analysed under stereoscopic microscope equipped with digital camera. Portions of octocorals containing the calcareous sclerites were removed from the tracts and prepared for scanning electron microscopy (SEM). Sclerite morphology and size were determined at the species and genus level on the basis of a taxonomical revision and compared with fresh octocoral specimens collected from Patagonia (San Jorge Gulf) and with voucher specimens from the collections of Museo Argentino de Ciencias Naturales (MACN-in). Specific predation of T. odhneri on octocoral species present in the southwestern Atlantic Ocean was detected. The nudibranch feeds on the gorgonians Primnoella divaricata, Primnoella scotiae (=P. compressa) and Tripalea clavaria, and the pennatulaceans Renilla octodentata and Stylatula sp. A world checklist of dietary interactions between species of the genus Tritonia and octocorals is presented and discussed.

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Predation by the nudibranch Tritonia odhneri (Opisthobranchia: Tritoniidae) on octocorals from the South Atlantic Ocean

García-Matucheski

Muniain

2010

Mar Biodiv

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Cnidaria, Anthozoa, Octocorallia, Anthotelidae, Tripalea clavaria (Studer, 1878): distribution extension, first record for subtropical waters, Bahia, Brazil

Pérez

Neves

2007

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Ocorrência de Tripalea clavaria (Studer, 1878) na plataforma continental do Rio Grande do Sul

Abstract: The occurrence and distribution of Tripalea clavaria (Studer, 1878) is discussed, in relation to Brazilian and Falklands currents convergence and water mass in the South-western Atlantic.

Cited by 2 publications

References 0 publications

Predation by the nudibranch Tritonia odhneri (Opisthobranchia: Tritoniidae) on octocorals from the South Atlantic Ocean

Predation by the nudibranch Tritonia odhneri (Opisthobranchia: Tritoniidae) on octocorals from the South Atlantic Ocean

Cnidaria, Anthozoa, Octocorallia, Anthotelidae, Tripalea clavaria (Studer, 1878): distribution extension, first record for subtropical waters, Bahia, Brazil

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