227 90 90 4 4 M. F. Légier-Visser J. G. Mitchell A. Okubo J. A. Fuhrman Marine Sciences Research Center State University of New York 11794 Stony Brook New York USA Abstract A model of early detection of individual algal prey by copepod mechanoreception suggests that mechanoreception may serve as an indicator of prey position. Our model shows that the magnitude of the pressure disturbance created by a particle entrained in a feeding flow of a copepod increases linearly with increasing particle size, decreases as the square of the distance away from the antenna, and is unique for a given particle size. These pressure disturbances may be utilized by the copepod to determine the size and location of particles present in the feeding current and may provide information necessary for initial prey detection.
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