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The seasonal and diel use by juvenile and adult finfishes of a mesohaline intertidal creek on the York River, Virginia (Menidia menidia, Fundulus heteroclitus, Leiostomas xanthuras, Brevoortia tyrannus, anchoa mitchilli)
Middleton, Robert W.
Middleton, Robert W.
Abstract
An intertidal creek off the York River, Va. was sampled for juvenile and adult fishes during the spring, summer, and fall of 1981. Over 21,500 individuals of 14 species were collected using a block net technique. Ninety-eight percent of the total number was derived from five species which were, in order of abundance; Brevoortia tyrannus, Fundulus heteroclitus, Anchoa mitchilli, Leiostomus xanthurus, and Menidia menidia. Diel variations in abundance were indicated for A. mitchilli and M. menidia juveniles which were mostly captured at night and for M. menidia adults, L. xanthurus juveniles, and F. heteroclitus of all ages which were typically captured during the day. A. mitchilli and M. menidia were no longer captured in the intertidal creek after reaching sizes of approximately 60 mm SL and 67 mm Sl, respectively. Production estimates for the fish captured in the intertidal creek system were calculated to equal 2.53 g dry weight m('-2) or 13,051 cal m('-2).
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1986
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8708823.pdf
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Virginia Institute of Marine Science
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https://dx.doi.org/doi:10.25773/v5-vr3v-e189