Medusae, siphonophores and ctenophores of the Magellan Region

Francesc Pagès; Covadonga Orejas

doi:10.3989/scimar.1999.63s151

Medusae, siphonophores and ctenophores of the Magellan Region

Authors

Francesc Pagès Institut de Ciències del Mar (CSIC) - Hawaii Institute of Marine Biology
Covadonga Orejas Alfred-Wegener-Institut für Polar- und Meeresforschung

DOI:

https://doi.org/10.3989/scimar.1999.63s151

Keywords:

Medusae, siphonophores, ctenophores, Magellan Straits, Beagle Channel

Abstract

Medusae, siphonophores and ctenophores were conspicuous and relatively abundant organisms in the Magellan Straits, Beagle Channel and adjacent waters during the Victor Hensen campaign in 1994. Hydromedusae were the most abundant component of this assemblage (mainly Bougainvillia macloviana, Clytia simplex<-/i> and Obelia spp.) and showed the highest number of species (29). Siphonophores were second in species number (8) and mainly occurred outside the Magellan Straits (mainly Muggiaea atlantica, Dimophyes arctica, Lensia conoidea and Pyrostephos vanhoeffeni). Callianira Antarctica was the only mesozooplanktonic ctenophore and showed a widespread distribution throughout the region. Aggregations of large Beroe cucumis and Desmonema gaudichaudi were observed at some stations. The abundance and depth distribution is given for the most important species and some patterns in the species distribution are postulated.

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Published

1999-12-30

How to Cite

Pagès F, Orejas C. Medusae, siphonophores and ctenophores of the Magellan Region. Sci. mar. [Internet]. 1999Dec.30 [cited 2025May1];63(S1):51-7. Available from: https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/888

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Issue

Vol. 63 No. S1 (1999)

Section

Articles

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