Light intensity , prey detection and foraging mechanisms of age 0 year yellow perch

@inproceedings{Richmond2004LightI,
  title={Light intensity , prey detection and foraging mechanisms of age 0 year yellow perch},
  author={Harold Richmond and Thomas R. Hrabik and Allen F Mensinger},
  year={2004}
}
The ability of age-0 year yellow perch Perca flavescans to detect prey using visual and mechanosensory input was examined during laboratory feeding trials at varying light intensities. Perch were highly effective predators and captured Daphnia pulicaria with 94% overall foraging success at light levels ranging from 0 to 3400 lx. Maximum average reaction distances (5 0 0 8 cm, mean S.E.) occurred in front of the fish at 3000 lx and significantly decreased as light intensities fell to <2 lx, with… CONTINUE READING

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