Leo sends Christian & Sayat to Western Canada to meet the Cutthroat Trout, a member of the salmon family. Yup, this 'trout' is actually a salmon that has a very important place in the food web. With the help of marine biologists from Parks Canada, the FishHeads use minnow traps to catch new baby fish and help restore a picturesque stream to keep the Cutthroat Trout's habitat in tip top shape.