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Extended hatching periods in the subantarctic lithodid crabs Lithodes santolla and Paralomis granulosa (Crustacea: Decapoda: Lithodidae)

Extended hatching periods in the subantarctic lithodid crabs Lithodes santolla and Paralomis granulosa (Crustacea: Decapoda: Lithodidae)
Extended hatching periods in the subantarctic lithodid crabs Lithodes santolla and Paralomis granulosa (Crustacea: Decapoda: Lithodidae)
Temporal pattern of hatching was studied in the subantarctic lithodid crabs Lithodes santolla (Molina) and Paralomis granulosa (Jaquinot) from the Argentine Beagle Channel. In both species, larval hatching occurred in low daily numbers over an extended period of up to several weeks, depending on hatch size. Low daily hatching activity and low oxygen-consumption rates in freshly hatched P. granulosa larvae are discussed as life history adaptations to, and/or physiological constraints by, the environmental conditions of high latitudes.
Stone crabs, Hatching mode, Behaviour, Energy investment, Reproduction
1438-387X
110-113
Thatje, S.
f1011fe3-1048-40c0-97c1-e93b796e6533
Calcagno, J.A.
da8a9054-ff70-4269-9edf-7bc38606ca29
Lovrich, G.A.
f68a9fda-5f21-4f0e-81ea-382d19d02abd
Sartoris, F.J.
31614c5c-bcf3-44b2-9244-31bc66d385a5
Anger, K.
bd8d3465-3ee2-4993-ae83-8758f24e67d9
Thatje, S.
f1011fe3-1048-40c0-97c1-e93b796e6533
Calcagno, J.A.
da8a9054-ff70-4269-9edf-7bc38606ca29
Lovrich, G.A.
f68a9fda-5f21-4f0e-81ea-382d19d02abd
Sartoris, F.J.
31614c5c-bcf3-44b2-9244-31bc66d385a5
Anger, K.
bd8d3465-3ee2-4993-ae83-8758f24e67d9

Thatje, S., Calcagno, J.A., Lovrich, G.A., Sartoris, F.J. and Anger, K. (2003) Extended hatching periods in the subantarctic lithodid crabs Lithodes santolla and Paralomis granulosa (Crustacea: Decapoda: Lithodidae). Helgoland Marine Research, 57 (2), 110-113. (doi:10.1007/s10152-003-0145-3).

Record type: Article

Abstract

Temporal pattern of hatching was studied in the subantarctic lithodid crabs Lithodes santolla (Molina) and Paralomis granulosa (Jaquinot) from the Argentine Beagle Channel. In both species, larval hatching occurred in low daily numbers over an extended period of up to several weeks, depending on hatch size. Low daily hatching activity and low oxygen-consumption rates in freshly hatched P. granulosa larvae are discussed as life history adaptations to, and/or physiological constraints by, the environmental conditions of high latitudes.

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Published date: June 2003
Keywords: Stone crabs, Hatching mode, Behaviour, Energy investment, Reproduction

Identifiers

Local EPrints ID: 39034
URI: https://eprints.soton.ac.uk/id/eprint/39034
ISSN: 1438-387X
PURE UUID: 10e9030e-7997-4365-bb96-6f0dedf8ab50

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Date deposited: 16 Jun 2006
Last modified: 06 Aug 2019 17:47

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