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Size increment of jumbo flying squid Dosidicus gigas mature females in Peruvian waters, 1989–2004

  • Juan Argüelles
  • Ricardo Tafur
  • Anatolio Taipe
  • Piero Villegas
  • Friedeman Keyl
  • Noel Dominguez
  • Martín Salazar

Abstract

Changes in population structure of the jumbo flying squid Dosidicus gigas in Peruvian waters were studied based on size-at-maturity from 1989 to 2004. From 1989 to 1999, mature squid belonging to the medium-sized group prevailed, but from 2001 on, mature squids were larger. This change is not related to the changes in sea surface temperature and we hypothesized that it was caused by the population increase of mesopelagic fishes as prey.

Cite this activity

Argüelles J., Tafur R., Taipe A., Villegas P., Keyl F., Dominguez N. and Salazar M. (2008) Size increment of jumbo flying squid Dosidicus gigas mature females in Peruvian waters, 1989–2004. 79(2-4): 308-312. 10.1016/j.pocean.2008.10.003

Details

Title Size increment of jumbo flying squid Dosidicus gigas mature females in Peruvian waters, 1989–2004
Date 21.10.2008
Issue 2-4
Volume 79
Pages 308-312
DOI 10.1016/j.pocean.2008.10.003
Open Access Status Closed Access

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