Abstract

ABSTRACT Red abalone, Haliotis rufescens (Swainson), were tagged and recovered for growth and movement studies in northern California. Tagging and recoveries were conducted at north Point Cabrillo and south Point Cabrillo from 1971 through 1976 (no tagging or recoveries at south Point Cabrillo in 1973 and 1974), at Van Damme State Park from 1973 through 1975, and at Stornetta Ranch and Pedotti Ranch in 1975 and 1976. Von Bertalanffy growth curves were fit by area and year. Growth was found to vary by year and by study site. Fitted Linf range was from 184–232 mm, and age at legal sport size ranged from 8–20 y. The fasted growth rates were observed at north Point Cabrillo.

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