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Life history and fishery of Lepidopus caudatus (Pisces: Trichiuridae) in the Catalan Sea (Northwestern Mediterranean)

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Abstract

The frostfish Lepidopus caudatus (Euphrasen, 1788) is a mesopelagic species; it occurs along the shelf and slope down to 450 m in the Catalan Sea. Its' fishery, population structure, growth, diet and reproduction was studied on the basis of commercial statistics from 1984 to 1990 and on samplings made in 1988 and 1989. L. caudatus is fished by two types of commercial method, trawl and long-line; catches by the latter method display a marked seasonality. The minimum size of fish caught is 26 cm total length by trawling and 71 cm by long-line. Maximum sizes are similar for both gears: 196 and 188 cm, respectively. L. caudatus exhibits fast growth and attains an age of 8 yr. It feeds on small mesopelagic prey. It is a partial spawner reproductive activity occurring from April to November. Males attain sexual maturity at 97 cm and females at 111 cm total length.

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Authors and Affiliations

  1. Instituto de Ciencias del Mar, Paseo Nacional s/n, E-08039, Barcelona, Spain

    M. Demestre, B. Moli, L. Recasens & P. Sánchez

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  1. M. Demestre
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  2. B. Moli
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  3. L. Recasens
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  4. P. Sánchez
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Communicated by J. M. Pérès, Marseille

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Demestre, M., Moli, B., Recasens, L. et al. Life history and fishery of Lepidopus caudatus (Pisces: Trichiuridae) in the Catalan Sea (Northwestern Mediterranean). Marine Biology 115, 23–32 (1993). https://doi.org/10.1007/BF00349382

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  • DOI: https://doi.org/10.1007/BF00349382

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