Age, growth and population structure of the jumbo flying squid Dosidicus gigas in Peruvian waters
Age, growth and populationstructure of the jumboflyingsquid, Dosidicusgigas, from the jig fishery in Peruvianwaters in 1992 were determined by reading daily increments in ground and polished sections of statoliths. The squid ranged in size from 192 to 965 mm dorsal mantle length (ML) and no squid were older than 1 year. Two size groups were present in the exploited population; one group of small individuals 520 mm ML, with maximum ages of 220 and 354 days, respectively. The date of hatching estimated by back-calculation, revealed the presence of two cohorts of small squid; one hatched in autumn/winter and recruited to the fishery in spring/summer and the other hatched in spring/summer and recruited to the fishery in autumn/winter.
Authors: Argüelles, J., Rodhouse, P.G., Villegas, P., Castillo, G.
Privacy & Cookies Policy
Necessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information.
Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. It is mandatory to procure user consent prior to running these cookies on your website.