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International Journal of Zoology
Volume 2009, Article ID 979512, 9 pages
Research Article

Comparative Reproduction Aspects of the Deep-water Shrimps Aristaeomorpha foliacea and Aristeus antennatus (Decapoda, Aristeidae) in the Greek Ionian Sea (Eastern Mediterranean)

1Hellenic Centre for Marine Research, Institute of Marine Biological Resources, 46.7 km Athens-Sounio, Mavro Lithari, P.O. Box 712, 19013 Anavissos Attika, Greece
2Departement of Zoology-Marine Biology, School of Biology, University of Athens, Panepistimiopolis, 157 84 Athens, Greece

Received 26 May 2008; Accepted 23 September 2008

Academic Editor: Alan Hodgson

Copyright © 2009 K. Kapiris and M. Thessalou-Legaki. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


In the eastern Ionian Sea, the deep-water shrimps Aristaeomorpha foliacea and Aristeus antennatus constitute a virgin fishing resource, since their maximum abundance depth exceeds commercial exploitation depths. The two sympatric species share a number of common reproductive features, such as summer reproduction. A slight temporal shift in mating activity, ovarian maturation, and spawning period was observed between species. The most notable difference was the more pronounced seasonality in reproductive activity of Aristeus antennatus compared to that of A. foliacea as evidenced by the frequency of inseminated females and functionally mature males, as well as by the shorter ovarian maturation period. Nevertheless, regarding the whole life span, both sexes of Aristeus antennatus exhibit a more extended reproductive activity in comparison to A. foliacea. No notable differentiation of both species existed in comparison to other Mediterranean regions.