Growth and reproduction in the Antarctic brooding bivalve Adacnarca nitens (Philobryidae) from the Ross Sea
Growth and reproduction in the Antarctic brooding bivalve Adacnarca nitens (Philobryidae) from the Ross Sea
We present information on the reproductive biology, population structure, and growth of the brooding Antarctic bivalve Adacnarca nitens Pelseneer 1903, from the Ross Sea, Antarctica. Individuals ranging from 0.85 - 6.00 mm were found attached to a hydrozoan colony. This species shows low fecundity and large egg size, common to other brooding species. The minimum size at which oogenesis was detected was 2.3 mm and the minimum size at which brooding was evident was 3.9 mm. Embryos of a full range of developmental stages were brooded simultaneously in females. The population showed a log-normal distribution and results suggest non-periodic reproduction with continuous embryonic development. The reproductive traits of A. nitens are discussed in the context of circum-Antarctic species distribution and limitations to dispersal in brooding benthic invertebrates.
1073-1081
Higgs, Nicholas
193ad3e2-32cb-43ee-ac7b-35173b1cd1a9
Reed, Adam
ec734ee2-469c-4259-91d6-4abcfbe65e3b
Hooke, Rachel
cc642707-77fe-4240-939b-f27af3aa8f99
Honey, David
913475d4-9851-47d4-ba57-5ce957d861fb
Heilmayer, Olaf
fbdf6076-4104-418a-bbe7-f344e046ff25
Thatje, Sven
f1011fe3-1048-40c0-97c1-e93b796e6533
April 2009
Higgs, Nicholas
193ad3e2-32cb-43ee-ac7b-35173b1cd1a9
Reed, Adam
ec734ee2-469c-4259-91d6-4abcfbe65e3b
Hooke, Rachel
cc642707-77fe-4240-939b-f27af3aa8f99
Honey, David
913475d4-9851-47d4-ba57-5ce957d861fb
Heilmayer, Olaf
fbdf6076-4104-418a-bbe7-f344e046ff25
Thatje, Sven
f1011fe3-1048-40c0-97c1-e93b796e6533
Higgs, Nicholas, Reed, Adam, Hooke, Rachel, Honey, David, Heilmayer, Olaf and Thatje, Sven
(2009)
Growth and reproduction in the Antarctic brooding bivalve Adacnarca nitens (Philobryidae) from the Ross Sea.
Marine Biology, 156 (5), .
(doi:10.1007/s00227-009-1154-9).
Abstract
We present information on the reproductive biology, population structure, and growth of the brooding Antarctic bivalve Adacnarca nitens Pelseneer 1903, from the Ross Sea, Antarctica. Individuals ranging from 0.85 - 6.00 mm were found attached to a hydrozoan colony. This species shows low fecundity and large egg size, common to other brooding species. The minimum size at which oogenesis was detected was 2.3 mm and the minimum size at which brooding was evident was 3.9 mm. Embryos of a full range of developmental stages were brooded simultaneously in females. The population showed a log-normal distribution and results suggest non-periodic reproduction with continuous embryonic development. The reproductive traits of A. nitens are discussed in the context of circum-Antarctic species distribution and limitations to dispersal in brooding benthic invertebrates.
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Higgs_MarBiol_09.pdf
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Published date: April 2009
Organisations:
Ocean and Earth Science
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Local EPrints ID: 65006
URI: http://eprints.soton.ac.uk/id/eprint/65006
ISSN: 0025-3162
PURE UUID: d733789c-c4f5-414b-b32a-802f72f0cf0f
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Date deposited: 27 Jan 2009
Last modified: 09 Jan 2022 03:30
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Author:
Nicholas Higgs
Author:
Rachel Hooke
Author:
David Honey
Author:
Olaf Heilmayer
Author:
Sven Thatje
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