Technically brook trout aren't trout at all. They're a char, more closely related to lake trout and Arctic char. But nobody calls them that on the water. Wild brookies are small, jewel-like, and tied to the cleanest, coldest water we have. Massachusetts and the wider Northeast also stock brook trout heavily, so there's fast, accessible fishing too.
How to identify one
A brook trout is unmistakable up close: a dark, olive-green back with pale, worm-like vermiculations, red spots ringed by blue halos, and white leading edges on the lower fins. Spawning males in fall turn brilliant orange underneath. The square tail gives them the old name “squaretail.”
Wild vs. stocked
Wild brook trout live in small, cold, clean freestone streams and spring-fed ponds, often tiny, out-of-the-way water. They rarely get big (a 12-inch wild brookie is a trophy) but they're gorgeous and hard-earned. Stocked brook trout are put into many rivers and ponds each spring and fall by MassWildlife, offering easy, fun fishing and a great place to learn.
How to catch them
Fly
Brook trout are opportunistic and often eager. A 5-weight (or lighter) fly setup is perfect. Fish dry flies (Elk Hair Caddis, Parachute Adams) when bugs are on the water, nymphs under an indicator the rest of the time, and small streamers to move a bigger fish.
Light spin
An ultralight spinning rod with 2–4 lb line and a small inline spinner (Panther Martin, Rooster Tail, Mepps) is deadly and easy. Where legal, small baits work too.
Tip Wild brook trout need cold water. As streams warm in mid-summer, fish the coldest water you can find, spring seeps, shaded plunge pools, higher-elevation reaches, and consider leaving stressed fish alone until temperatures drop again.
Handling wild fish
Wild brook trout populations are fragile. Pinch your barbs, keep the fish in the water, wet your hands, and release quickly. Photograph them over the water, not on the bank. These fish are a legacy worth protecting.