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Inspired by the DRWTU spawning study, MA Division of Fisheries and Wildlife is commencing a long-term study of the brown trout population on the Deerfield. Here’s a May 9, 2018 statement from Adam Kautza PhD, Coldwater Fisheries Project Leader:
“We have completed adipose fin clipping to mark the standard annual allotment of all 1000 hatchery Brown Trout that are stocked into the upper Deerfield River. These marked fish will be going out to the river within the next two weeks. Please be aware that there are other hatchery-origin Brown Trout already in the system from past years’ stockings that have not been marked with an adipose fin clip. Physically marking the Spring 2018 Deerfield River batch of hatchery Brown Trout stands as an initial step in a larger effort to learn more about the Brown Trout population in the upper Deerfield River, both hatchery-origin and wild, stream-born fish. Marking of hatchery fish, together with other elements of the Deerfield River Brown Trout Study, will continue for several years.
We would like to note that the impetus for this project has largely been through a collaborative effort including meetings and ongoing discussions among Massachusetts Division of Fisheries and Wildlife and Trout Unlimited (in particular, the Deerfield River Chapter and the Massachusetts-Rhode Island Council), as well as input and assistance from a number of other interested parties and individuals from UMass, USGS, local Deerfield River fishing guides, and local watershed groups.”
Please report all of your encounters with brown trout (both with the adipose fin and without) here.