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Lorance, Pascal; Latrouite, Daniel; Seret, Bernard. |
Forty one manned submersible dives were carried out during 2 cruises in the Bay of Biscay covering a range of depth from about 100 to 2100 m. Chondrichthyan species were observed in most of the dives, some of them were easily identified and their behaviour could be studied. Twenty-two chondrichthyan species (9 sharks, 8 rays and 5 chimaeras) were recorded. Shark species were always seen active except Scyliorhinus canicula and Galeus melastomus. Some representatives were found motionless on the bottom, sometimes forming groups for the first species. Chimaeras appeared to strongly react to the presence of the submersible. The density of chondrichtyes and their relative frequency in the total fish assemblage were estimated, the results are globally consistent... |
Tipo: Text |
Palavras-chave: Submersible; Deep Sea; Bay of Biscay; ANE; Chondrichthyans. |
Ano: 2000 |
URL: http://archimer.ifremer.fr/doc/2000/acte-2571.pdf |
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