Abstract

This trout in Moser river, Nova Scotia, descends to the sea in April and May, with risin, temperature. Falling temperature lessens or stops descent, causing some to return upstream. The smallest showed straying in 1940 to other streams several miles distant and smaller percentage return to river than for other sizes. Return was related to freshets in the main river, rather than in tributary of origin. Homing to latter was definite, but only partial, and apparently lessened by winter sojourn elsewhere. Period of absence in sea ranged from 42 to 84 days.

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