Age and Growth of Atlantic Croaker, Micropogonias Undulatus, Larvae Collected in the Coastal Waters of the Northern Gulf of Mexico as Determined by Increments in Saccular Otoliths
Author: Cowan, Jr., James H.
Source: Bulletin of Marine Science, Volume 42, Number 3, May 1988 , pp. 349-357(9)
Abstract:The age and growth rate of larval Atlantic croaker, Micropogonias undulatus, collected in the coastal waters of the northern Gulf of Mexico were estimated from growth increments in saccular otoliths. Examination of the data suggests that the growth increments were daily and they were used to generate the linear growth equation L(t) = 0.189(t) + 0.634 mm, which described the growth of Atlantic croaker larvae from an estimated 40 to 80 days old (L(t) = total length at time (t); (t)= time in days). The reported spawning season of Atlantic croaker in northern Gulf waters (September to March) was not delineated in this study. However, data interpreted indicate that little spawning occurred after January in the winter of 1981–1982. The relationship between maximum otolith diameter and larva total length was also examined.
Document Type: Research Article
Publication date: May 1, 1988
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