Growth and maturity of the lesser-spotted dogfish Scyliorhinus canicula (Linnaeus, 1758) in the southern Portuguese continental coast

J Fish Biol. 2022 Jan;100(1):315-319. doi: 10.1111/jfb.14915. Epub 2021 Oct 9.

Abstract

Growth and reproductive parameters were estimated for Scyliorhinus canicula from the south-western Portuguese coast. The sample consisted of 148 specimens with total length ranging from 187 to 580 mm (82 males and 66 females). Maximum ages assigned to males and females were 12 and 13 years, respectively. Linf and k were estimated as 63.6 cm and 0.16 year-1 for males and 63.2 and 0.15 year-1 for females. Length and age at first maturity were estimated as 42.6 cm and 6 years for males and 44.5 cm and 7 years for females.

Keywords: Portugal; ageing; elasmobranchs; fisheries; maturity; vertebrae.

MeSH terms

  • Animals
  • Dogfish*
  • Elasmobranchii*
  • Female
  • Male
  • Portugal
  • Reproduction