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Summer Home Range and Movements of Fundulus Heteroclitus (Pisces: Cyprinodontidae) in a Tidal Creek

Victor A. Lotrich
Ecology
Vol. 56, No. 1 (Winter, 1975), pp. 191-198
DOI: 10.2307/1935311
Stable URL: http://www.jstor.org/stable/1935311
Page Count: 8
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Summer Home Range and Movements of Fundulus Heteroclitus (Pisces: Cyprinodontidae) in a Tidal Creek
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Abstract

Summer movements of the fish Fundulus heteroclitus in a fluctuating tidal creek in Delaware were determined. The majority of individuals in the population exhibited a home range of 36 m near a bank. Individuals transferred directly across the stream returned to the bank where originally captured. The home range persisted from July through September. Individuals were absent from the lower part of the creek from November through March, but were present in the headwater areas. There was a continuum of individuals along each bank; most individuals maintained spatial position in an environment with no distinct break such as the riffle-pool structure of freshwater streams.

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