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Fishery of the deep-water rose shrimp Parapenaeus longirostris (Lucas, 1846) (Crustacea: Decapoda) in the northern Tyrrhenian Sea (western Mediterranean)
Sbrana, M.; Viva, C.; Belcari, P. (2006). Fishery of the deep-water rose shrimp Parapenaeus longirostris (Lucas, 1846) (Crustacea: Decapoda) in the northern Tyrrhenian Sea (western Mediterranean), in: Thessalou-Legaki, M. (Ed.) Issues of decapod crustacean biology. Developments in Hydrobiology, 184: pp. 135-144
In: Thessalou-Legaki, M. (Ed.) (2006). Issues of decapod crustacean biology. Developments in Hydrobiology, 184. Springer: Dordrecht. ISBN 978-1-4020-4599-8. 160 pp. https://dx.doi.org/10.1007/1-4020-4756-8
In: Dumont, H.J. (Ed.) Developments in Hydrobiology. Kluwer Academic/Springer: The Hague; London; Boston; Dordrecht. ISSN 0167-8418, meer
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Trefwoorden
    MED, Western Mediterranean
    Selectivity
    Parapenaeus longirostris (Lucas, 1846) [WoRMS]
    Mediterranean Sea - Western Basin [Marine Regions]
    Marien/Kust
Author keywords
    Deep-water rose shrimp; Fishery; Discard
Auteurs  Top 
  • Sbrana, M.
  • Viva, C.
  • Belcari, P.
Abstract
    The aim of this study is to provide information on the fishing pattern of Parapenaeus longirostris in the northern Tyrrhenian Sea (western Mediterranean), in order to improve the management of the resource in the area. Data were obtained from commercial fishery, covering the period 1991–2002. Catch rates revealed notable inter-annual fluctuation of the P. longirostris landing, probably due to the life cycle of the species. The highest yields (kg per hour of trawl) of the commercial fishery were obtained at depths ranging between 180 and 300 m, the lower ones at depths between 100 and 180 m, where small specimens are more abundant. Commercial catches were characterised by a very low presence of specimens smaller than 20 mm carapace length (CL), mainly due to the deeper localisation of the fishing grounds when compared to the recruitment areas of the species. The size at which 50% of the specimens were discarded by the fishermen was 15 mm CL, while the estimated size at first capture of the individuals caught by the commercial net was 12.4 mm CL
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