In situ investigation of burst swimming and muscle performance in the deep-sea fish Antimora rostrata (Gunther, 1878)

Bailey, David M.; Bagley, Philip M.; Jamieson, Alan J.; Collins, Martin A.; Priede, Imants G.. 2003 In situ investigation of burst swimming and muscle performance in the deep-sea fish Antimora rostrata (Gunther, 1878). Journal of Experimental Marine Biology and Ecology, 285-286. 295-311. 10.1016/S0022-0981(02)00534-8

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Abstract/Summary

The few existing measurements of deep-sea fish physiology consistently indicate reduced basal metabolism and metabolic power. A possible explanation for this is the reduction in selective pressure for burst activity capacity due to a reduction in the frequency and duration of predator-prey interactions in the sparsely distributed fish community and continuous darkness. Video recordings of stimulated fast-starts in deep-sea fish were obtained by a lander vehicle and analysed to give the swimming velocities, accelerations, and inertial power requirements of fast-start swimming in Antimora rostrata. With a mean peak velocity of 0.7 m s(-1), and white muscle power output of only 17.0 W kg(-1). A. rostrata is a slow moving fish, but no slower than shallow-water fishes at the same temperature.

Item Type:	Article
Identification Number/DOI:	10.1016/S0022-0981(02)00534-8
Programmes:	BAS Programmes > Antarctic Science in the Global Context (2000-2005) > Dynamics and Management of Ocean Ecosystems
ISSN:	0022-0981
Additional Keywords:	deep water, fish physiology, hydrostatic pressure, marine technology, swimming, temperature, North Atlantic, Porcupine Seabight
NORA Subject Terms:	Marine Sciences Zoology Ecology and Environment
Date made live:	16 Feb 2012 14:16
URI:	http://nora.nerc.ac.uk/id/eprint/12557

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