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Free Content Distribution and Abundance of Scombrid Larvae in Southern Brazilian Waters

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Abstract:

Distribution and abundance of scombrid larvae in southern Brazilian waters (23°S–29°S) are reported from plankton samples taken during the period between November 1975 and October 1976. Five species were identified: Auxis sp., Euthynnus alletteratus, Scomber japonicus, Katsuwonus pelamis and Thunnus alalunga. Among them Scomber japonicus spawned in winter and spring, especially in January, while the other four species spawned in spring and summer. The most abundant larvae were Auxis sp., which were collected from the entire study area. The distribution of Euthynnus alletteratus larvae was mainly coastal. Auxis larvae less than 12 mm standard length showed no catch ratio difference in day and night hauls.

Document Type: Research Article

Publication date: October 1, 1981

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