Influence of rearing method on ide Leuciscus idus L. juvenile survival under pike and pikeperch predation
The influence of rearing methods on ide Leuciscus idus L. juvenile survival under pike and pikeperch predation was investigated. Survival of two groups of ide was compared: group (1) consisted of juveniles reared in tanks under fully controlled conditions, while group (2) consisted of pond‐reared juveniles. Both groups were obtained from the same parents, separated at the larval stage in early spring and cultured in the different environments until late autumn. Juveniles from both groups were placed in tanks with pike or pikeperch, and their survival compared after one, three and six days of exposure to the predators.
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