Observation of intersexuality in land hermit crabs (Anomura: Coenobitidae)
Published online by Cambridge University Press: 04 April 2007
Abstract
We report here the first observation of intersexuality in a land hermit crab (Coenobitidae). Three species of land hermit crabs from Okinawa were investigated. In the population of the terrestrial hermit crab Coenobita rugosus two per cent of males were found to be intersex. Besides the true male gonopores on the coxae of the 5th pair of pereopods, they had additional openings on the coxae of the 3rd pair of pereopods. Both specimens examined had a normally developed male reproductive system. In the populations of two other species studied, C. brevimanus and C. purpureus, however, no intersex individuals have been found. Examples of intersexuality in decapod crustaceans are discussed and putative explanations of this phenomenon in land hermit crabs are proposed.
- Type
- Research Article
- Information
- Journal of the Marine Biological Association of the United Kingdom , Volume 87 , Issue 2 , April 2007 , pp. 533 - 536
- Copyright
- 2007 Marine Biological Association of the United Kingdom
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