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found immediately behind the headgate in the two canals having one period of decreased flow before headgate closure. Of the marked recoveries, 73 per cent in one canal and 100 per cent in the other were recaptured upstream from point of release for distances varying from 150 to 7500 feet. 7. The smallest marked fish (a 4.3inch eastern brook trout) which moved upstream traveled 1750 feet. A 12.9-inch rainbow trout traveled a maximum distance of 7500 feet.
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Frank C. Bellrose (1954) studied this question.