Evidence of different stocks of mackerel Scomber japonicus
Article Sidebar
Main Article Content
Abstract
Samples of the commercial catch of mackerel Scomber japonicus from Ensenada, Vizcaíno Bay, Magdalena Bay and the Gulf of California were analyzed to show biological evidence that supports a hypothesis of two stocks of mackerel. This evidence is the reproductive period, maturity cycle, deposition pattern of the otolith bands, length (L50%) and age (E50%) of reproduction and composition by length and age of the catch. Two stocks were identified, one that is distributed from southem California to Vizcaíno Bay and the other in the Gulf of California. Both stocks overlapped at Magdalena Bay, which seems be a feeding site where young individuals that have not been recruited to the spawning stock inhabit.
Downloads
Article Details
This is an open access article distributed under a Creative Commons Attribution 4.0 License, which allows you to share and adapt the work, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. Figures, tables and other elements in the article are included in the article’s CC BY 4.0 license, unless otherwise indicated. The journal title is protected by copyrights and not subject to this license. Full license deed can be viewed here.