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Development of external sexual characters of deep sea Bythocaris shrimps (Crustacea: Decapoda: Hippolytidae)

Published online by Cambridge University Press:  13 March 2006

Vassily I. Sokolov  and
Vassily A. Spiridonov
Vassily I. Sokolov
Affiliation:
Russian Federal Institute of Marine Fisheries and Oceanography (VNIRO), Verchnyaya Krasnoselskaya, 17a, Moscow 107 140, Russia
Vassily A. Spiridonov
Affiliation:
Zoological Museum of the Moscow State University, Bolshaya Nikitskaya, 6, Moscow, 103009, Russia P.P. Shirshov Institute of Oceanology of the Russian Academy of Sciences, Nakhimov Avenue, 36, Moscow, 117997, Russia, E-mail: vspiridonov@wwf.ru
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Abstract

The development of sex-specific characters is described for the deep sea North Atlantic/Arctic shrimp genus Bythocaris. A number of species were examined in the collections of Russian institutions including B. biruli, B. curvirostris, B. irene, B. leucopis and B. payeri. The pattern of size-specific variation in the masculine characters, i.e. the development of the modified appendix interna on the endopodite of the first pleopod and the appendix masculina do not indicate the presence of sex change (protandric hermaphroditism) in the life history.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 86 , Issue 2 , April 2006 , pp. 349 - 359
Copyright
2006 Marine Biological Association of the United Kingdom

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