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A description of larval and early juvenile development in Paralomis spinosissima (Decapoda: Anomura: Paguroidea: Lithodidae) from South Georgia waters (Southern Ocean)

Record type: Article

The early ontogenetic stages of Paralomis spinosissima Birstein and Vinogradow, 1972, are described in detail and illustrated, with notes on morphological variability observed. Larval and early juvenile development
was described to the crab I instar reared under controlled conditions of temperature and food supply. The abbreviated larval development invariably passed through two zoeal stages and the benthic megalopa
stage. The larval development was completed without food supply, and food Artemia nauplii were first given after moult to the crab-I stage. Simplification and retarded development of the mouthparts are discussed as a function of lecithotrophy of these larvae and based on morphology no facultative feeding mode is suggested. Lecithotrophy in the Southern Ocean Lithodidae is discussed to be an adaptation allowing independence
from seasonal food availability at high latitudes.

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Citation

Watts, Jamie, Thatje, Sven, Clarke, Sarah and Belchier, Mark (2006) A description of larval and early juvenile development in Paralomis spinosissima (Decapoda: Anomura: Paguroidea: Lithodidae) from South Georgia waters (Southern Ocean) Polar Biology, 29, (12), pp. 1028-1038. (doi:10.1007/s00300-006-0146-1).

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Published date: 2006

Identifiers

Local EPrints ID: 41951
URI: http://eprints.soton.ac.uk/id/eprint/41951
ISSN: 0722-4060
PURE UUID: a41ed8a3-52fe-45bf-86d5-772108fd5144

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Date deposited: 19 Oct 2006
Last modified: 17 Jul 2017 15:25

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Contributors

Author: Jamie Watts
Author: Sven Thatje
Author: Sarah Clarke
Author: Mark Belchier

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