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Free Content Age and Growth of Astraea Undosa Wood (Mollusca: Gastropoda) in Baja California, Mexico

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Although the marine gastropod Astraea undosa is becoming an important fishery resource in Baja California, limited data are available on its growth. We verified formation of the annual opercular growth rings and compared the age-growth relationship for both sexes of a natural population in Todos Santos Bay. The hialine (low growth) ring was formed during spring-summer and the opaque (high growth) ring during autumn-winter. Growth patterns differed among sexes, the males having higher growth.

Document Type: Research Article

Publication date: November 1, 1996

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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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