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Abnormal reproductive morphology in two species of spiny lobster: Jasus edwardsii and Jasus paulensis

Published online by Cambridge University Press:  26 June 2015

Adrian Linnane ,
Anthony Pere Open the ORCID record for Anthony Pere [Opens in a new window] ,
Caleb Gardner  and
Thibaut Thellier
Adrian Linnane*
Affiliation:
South Australian Research and Development Institute (Aquatic Sciences), P.O. Box 120, Henley Beach, South Australia 5022, Australia
Anthony Pere
Affiliation:
Stareso Research Station, Pointe de la Revellata, BP 33, 20260 Calvi, France Terres Australes et Antarctiques Françaises (TAAF), Rue Gabriel Dejean, 97410 Saint-Pierre-de-la-Réunion, France
Caleb Gardner
Affiliation:
Institute for Marine and Antarctic Studies (IMAS) University of Tasmania, P.O. Box 252-49, Hobart 7001, Australia
Thibaut Thellier
Affiliation:
Terres Australes et Antarctiques Françaises (TAAF), Rue Gabriel Dejean, 97410 Saint-Pierre-de-la-Réunion, France
*
Correspondence should be addressed to: A. Linnane, South Australian Research and Development Institute (Aquatic Sciences), P.O. Box 120, Henley Beach, South Australia 5022, Australia email: adrian.linnane@sa.gov.au
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Abstract

Jasus edwardsii and Jasus paulensis are two species of spiny lobster that are distributed across south-eastern Australia and isolated islands of the southern Indian Ocean, respectively. We present rare examples of abnormal reproductive morphology in both species. For Jasus edwardsii, this included a female lobster captured in South Australia, which, in addition to the normal pair of gonopores at the base of the third pair of pereiopods, also exhibited a second a pair of gonopores on the coxopodites of the fourth pair of pereiopods. In Tasmania, a male individual exhibited the specialized pincer on the right propopodite, normally only observed in females. The frequency of abnormal morphological reproductive characteristics appeared higher in Jasus paulensis. This included 14 individuals that exhibited a range of additional and abnormal gonopore locations in both males and females. We discuss the findings in relation to rare cases of gynandromorphism in crustaceans.

Keywords

reproductive morphologyspiny lobstergonoporegynandromorphy
Type
Research Article
Information
Marine Biodiversity Records , Volume 8 , 2015 , e97
Copyright
Copyright © Marine Biological Association of the United Kingdom 2015 

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