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A new bathyal amphipod from the Bay of Biscay: Carangolia barnardi sp. nov. (Gammaridea: Urothoidae)
Jaume, D.; Sorbe, J.-C. (2001). A new bathyal amphipod from the Bay of Biscay: Carangolia barnardi sp. nov. (Gammaridea: Urothoidae). J. Mar. Biol. Ass. U.K. 81: 49-59
In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge. ISSN 0025-3154, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Jaume, D., more
  • Sorbe, J.-C.

Abstract
    A new species of the cold-temperate austral amphipod genus Carangolia (Gammaridea: Urothoidae) is described from bathyal depths of the Bay of Biscay (north-east Atlantic). It was occasionally sampled in the south-eastern part of the Bay with sledges towed over muddy bottoms between 522 and 924 m water depth. This depth range falls mainly below the mud-Iine where the proportion of organic carbon increases in response to the deposition of silts and/or clay sediment. Most specimens were sampled by the lower net of the sledges, indicating a close association with the bottom. Abundance was relatively low, ranging between 0.18 and 4.90 ind 100 m -2, latter recorded below 700 m depth. The unusual massive appearance of Carangolia mandibles and its preference for bathyal foraminiferal oozes suggest that it is a specialized foraminifer consumer. The antitropical distribution pattern currently displayed by the genus could be an artefact due to equatorial submergence.

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