Brook trout Washington Department of Fish & Wildlife

Rainbow trout - Wikipedia

Rumble in the river: brook vs. bull trout

Cooler, higher water means more Maine fishing opportunities

Native Trout Are Returning to America's Rivers, Science

Bull trout Washington Department of Fish & Wildlife

The secret lives of triploid trout, by The Washington Department of Fish and Wildlife

Trout of North America: The Complete Guide

Bull trout - Wikipedia

Spokane's Redband Trout — Spokane Riverkeeper

Dolly Varden – Western Native Trout Initiative

Myy Brook Trout Native Fish Investigations Program