Benthic bioluminescence in the bathyal North East Atlantic: luminescent responses of Vargula norvegica (Ostracoda: Myodocopida) to predation by the deep-water eel (Synaphobranchus kaupii)

Heger, A.; King, N.J.; Wigham, B.D.; Jamieson, A.J.; Bagley, PM.; Allan, L.; Pfannkuche, O.; Priede, I.G.. 2007 Benthic bioluminescence in the bathyal North East Atlantic: luminescent responses of Vargula norvegica (Ostracoda: Myodocopida) to predation by the deep-water eel (Synaphobranchus kaupii). Marine Biology, 151 (4). 1471-1478. https://doi.org/10.1007/s00227-006-0587-7

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Official URL: http://dx.doi.org/10.1007/s00227-006-0587-7

Abstract/Summary

Using two autonomous lander systems, one equipped with a high sensitivity intensified silicon intensifier target (ISIT) video camera and a second with a 4.1-megapixel digital stills camera, observations were made of bioluminescent emissions and fauna attracted to artificial food falls at ca. 1,000 m depth in the carbonate mound provinces of the Porcupine Seabight and Rockall Bank, North East Atlantic. On the Galway coral mound (Belgica Mound Province), seven bioluminescent events per hour were observed, whereas on an area of sediment at the base of the Kiel Mount on the Rockall Bank 133 events per hour were observed. This increase in bioluminescent activity was associated with the presence of the deep water eels Synaphobranchus kaupii, and the ostracods, Vargula norvegica. Captured ostracods luminesced readily in response to mechanical stimulation and were also observed emitting a luminous secretion. We hypothesise that V. norvegica, attracted to bait, luminesce as a defence response against the predatory activity of S. kaupii that compete for bait but also feed on the ostracods. Benthic bioluminescence in the carbonate mound provinces was not directly linked to the presence of corals.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1007/s00227-006-0587-7
ISSN:	0025-3162
Date made live:	30 Jan 2018 14:02 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/519157

Item Type:

Publication - Article

Digital Object Identifier (DOI):

https://doi.org/10.1007/s00227-006-0587-7

ISSN:

0025-3162

Date made live:

30 Jan 2018 14:02 +0 (UTC)

URI:

https://nora.nerc.ac.uk/id/eprint/519157