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Daily Growth Increments in the Otoliths of Young‐of‐the‐Year Gizzard Shad
Author(s) -
Davis Robert D.,
Storck Ted W.,
Miller Steven J.
Publication year - 1985
Publication title -
transactions of the american fisheries society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.696
H-Index - 86
eISSN - 1548-8659
pISSN - 0002-8487
DOI - 10.1577/1548-8659(1985)114<304:dgiito>2.0.co;2
Subject(s) - dorosoma , gizzard shad , otolith , fish <actinopterygii> , fishery , linear relationship , gizzard , biology , zoology , mathematics , statistics
Daily increments formed in the sagittae of laboratory‐raised young‐of‐the‐year gizzard shad Dorosoma cepedianum for at least 71 d after swim‐up. Faint prolarval increments were visible for several days following swim‐up, but the first distinct increment formed the day after swim‐up. Increment formation was independent of growth rate. The relationship between fish length and otolith radius was adequately described by a linear equation with a significant nonzero intercept. Received May 21, 1984 Accepted November 15, 1984