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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)

A description of larval and early juvenile development in Paralomis spinosissima (Decapoda: Anomura: Paguroidea: Lithodidae) from South Georgia waters (Southern Ocean)
A description of larval and early juvenile development in Paralomis spinosissima (Decapoda: Anomura: Paguroidea: Lithodidae) from South Georgia waters (Southern Ocean)
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.
0722-4060
1028-1038
Watts, Jamie
29221e5a-5b41-4fb1-8b12-5278f2bb1db8
Thatje, Sven
f1011fe3-1048-40c0-97c1-e93b796e6533
Clarke, Sarah
3373cf1a-6d98-4a90-873c-aa8ea6801e7f
Belchier, Mark
af869f3f-9dde-407e-a9ec-b68560a8a7e2
Watts, Jamie
29221e5a-5b41-4fb1-8b12-5278f2bb1db8
Thatje, Sven
f1011fe3-1048-40c0-97c1-e93b796e6533
Clarke, Sarah
3373cf1a-6d98-4a90-873c-aa8ea6801e7f
Belchier, Mark
af869f3f-9dde-407e-a9ec-b68560a8a7e2

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), 1028-1038. (doi:10.1007/s00300-006-0146-1).

Record type: Article

Abstract

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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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: 15 Mar 2024 08:41

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Contributors

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

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