Northeastern part of Canada and the United States. Also has been
introduced in North America, South America, New Zealand, Asia
and many parts of Europe. Clear, cool, well-oxygenated
freshwater rivers and lakes, close to shore. Brook trout thrive
in temperatures that remain below 18.8o C (66o F) Food habits
vary according to life and history stage. A brook trout will eat
virtually anything its mouth will accommodate. Anything from
mayflies and midges to worms and frogs and even small mammals
like voles. The total time of incubation depends on factors such
as temperature and oxygen. seldom over 5 years but never beyond
8 years. The body is elongated with an average length of 15-20
inches and an average weight of 2.2-13.2 lbs. The body has its
greatest depth at, or in front of, the origin of the dorsal fin.
It also has an adipose fin and a caudal fin that are slightly
forked. Coloration is very distinct and can be spectacular. The
back of the brook trout is dark, olive-green to almost black.
Sides are lighter be