Specialisations of swimming muscles in the pelagic antarctic fish Pleuragramma antarcticum

Johnston, I.A.; Camm, J.-P.; White, M.. 1988 Specialisations of swimming muscles in the pelagic antarctic fish Pleuragramma antarcticum. Marine Biology, 100 (1). 3-12. 10.1007/BF00392949

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Abstract/Summary

The distribution and ultrastructure of muscle-fibre types has been investigated in adult and juvenile specimens of the pelagic high-antarctic silverfish Pleuragramma antarcticum Boulenger, 1902 collected from the South Shetland Islands during the winter of 1984/1985. Two main fibre-types were identified in araldite-embedded material. The axial musculature was mainly composed of poorly vascularised, largediameter muscle fibres which were densely packed with myofibrils (volume density 81 and 72% for adults and juveniles, respectively). These ultrastructural characteristics are typical of fast-twitch fibres. The number of capillaries ner unit cross-sectional area and the volume density of mito

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1007/BF00392949
ISSN:	0025-3162
Additional Keywords:	muscle fibre, Pleuragramma antarcticum, South Shetland Islands
NORA Subject Terms:	Biology and Microbiology
Date made live:	21 Nov 2018 11:35 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/521654

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