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Weight–length relationships for eight species of the family Triglidae discarded on the south coast of Portugal
Author(s) -
Olim S.,
Borges T. C.
Publication year - 2006
Publication title -
journal of applied ichthyology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.392
H-Index - 62
eISSN - 1439-0426
pISSN - 0175-8659
DOI - 10.1111/j.1439-0426.2006.00644.x
Subject(s) - biology , fishery , temperate climate , discards , fish <actinopterygii> , ecology
Summary Gurnards or triglids are medium‐size marine bottom fishes that live in tropical and temperate seas. Four genera ( Aspitrigla , Chelidonichthys , Lepidotrigla , Trigla ) and eight species are found in the eastern Atlantic. In this study, we report the weight–length relationships for eight species, with 75 specimens of A. cuculus , 45 of C. obscurus , 84 C. gurnardus , 21 C. lucernus , 45 C. lastoviza , 550 L. cavillone , 255 L. dieuzeidei and 40 T. lyra . These triglids were caught by three different methods: crustacean trawl, fish trawl and purse seine off the Algarve coast; all specimens sampled were part of the discards. Samples were obtained from depths ranging between 20 and 540 m, during 27 trips and 86 hauls. To the best knowledge of the authors, this study presents the first reference on weight–length relationships for four fish species from the Algarve coast (southern Portugal).