Aspects of the biology of Antarctomysis maxima (Crustacea: Mysidacea)

Ward, Peter. 1984 Aspects of the biology of Antarctomysis maxima (Crustacea: Mysidacea). Polar Biology, 3 (2). 85-92. https://doi.org/10.1007/BF00258152

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Abstract/Summary

Population structure and aspects of the reproductive biology of Antarctomysis maxima from South Georgia and the South Orkney Islands were examined. Size frequency analysis indicated that the generation time is two years at South Georgia, but may approach four years at the South Orkneys. Egg production is greater for a given size of female at South Georgia but by virtue of a larger egg, brood production in terms of ash-free dry weight is slightly greater at the South Orkneys. Young are brooded over winter at both sites and are released in spring. Females are clearly capable of breeding twice at South Georgia and it is suggested that this is also the case at the South Orkneys. These results are discussed in relation to other studies on cold water mysids and to environmental adaptations exhibited by other Antarctic marine invertebrates.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1007/BF00258152
ISSN:	0722-4060
Additional Keywords:	population structure, cold water, generation time, reproductive biology
NORA Subject Terms:	Biology and Microbiology
Date made live:	18 Jun 2019 08:16 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/523788

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