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Free Content Abundance, age, growth and reproduction of grey mullets in Óbidos lagoon, Portugal

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Abstract:

Between November 1992 and December 1994, a total of 2369 grey mullets were caught using a beach seine net. Five species were identified and their relative abundance determined. Liza ramada, Liza aurata and Chelon labrosus represented 96.3% of the total, and their age, growth and reproduction were analyzed. Age studies were based on direct reading on the otoliths and the results were corroborated by length frequency analysis. Ten age groups were estimated for L. ramada and seven age groups for both L. aurata and C.labrosus. Growth was described using the von Bertalanffy growth equation. The lagoon colonization period by 0 group fish was also determined.

Document Type: Research Article

Publication date: September 1, 2000

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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