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Morphometric study of the red shrimp Aristeus antennatus in the Eastern Mediterranean
Kapiris, K.; Kavvadas, S. (2009). Morphometric study of the red shrimp Aristeus antennatus in the Eastern Mediterranean. Aquat. Ecol. 43(4): 1061-1071.
In: Aquatic Ecology. Springer: Dordrecht; London; Boston. ISSN 1386-2588, more
Peer reviewed article  

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Author keywords
    Decapoda; Environmental parameters; Allometry; Growth; Greek and ItalianIonian Sea; Carapace length; Sexual dimorphism; Size modification

Authors  Top 
  • Kapiris, K.
  • Kavvadas, S.

    The relative growth of body parts (abdomen, uropod, scaphocerite, telson, rostrum and the third pereiopod) of both sexes of red shrimp Aristeus antennatus was studied in the Greek and Italian Ionian Sea (Eastern Mediterranean), at a depth range from 546 to 1,047 m. Morphometric relationships in the sexes showed similar patterns of relative growth in the two study areas. Although, morphological characters (abdomen, carapace length, pereiopod, rostrum, scaphocerite, telson, uropod and weight) of female were significantly greater than males, in both areas the observed differences between sexes could also attributed to the seasonal mobility pattern of females and to their reproductive activity. A negative allometry of swimming morphological characters (uropod, scaphocerite, telson) and of abdomen (related to the rapid locomotion, reproduction) was found in both sexes and areas. In contrast to this, the growth the third pereiopod (involved in walking ability) in both sexes and areas was isometric. Males showed no correlation of rostrum length with size. Some morphological characters (pereiopod, scaphocerite, uropodal exopodite) were proportionally longer in juvenile females than in adult females, indicating that the allometry differs for this species during its life cycle. A clear increasing trend of females' size, including all the morphological characters, was shown with decreasing temperature and increasing depth.

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