### trout:

Brown trout
* Some brown trouts have tolerance.
* are active both by day and by night and are opportunistic feeders
  - also the only fish ever to rest on the stream bottom
  - far less aggressive than bows
  - generally faster growing and longer lived than brook trout
* are highly resistant, but often are carriers of the disease
  - territorial, aggressive during spawning and sometimes make migration
  - more tolerant of warm water temperatures than Idaho's native trout species
  - much more wary than rainbows and are usually far harder to catch
* are native to Europe and evolved with whirling disease
  - Europe, Western Asia, and North Africa
  - olive to dark brown with rust red spots on top and yellow to white below
  - one of the most genetically diverse vertebrates known
  - opportunists
  - particularly well known for their selectivity
  - predominant with rainbows and cutthroat as well
  - reasonably distinct and easy to identify
  - slightly more tolerant of high water temperatures than other trout
* are the most abundant with rainbow trout also present
  - common of all southeastern Minnesota trout
  - trophy size
  - usually wild, rainbow and brook trout are stocked
  - very competitive and tend to crowd out other fish, including other trout
* can often cope with such extremes of water flow
  - withstand heavy fishing pressure better than other New York trout
* caught on fly are less likely to die after release than trout caught on bait.
* eat a great variety of food as do the other trout
* follow the spawning rainbows and pick off stray eggs.
* have a square tail with large spots on their backs and sides.
* is but one species kept at Saratoga.
* prefer cool, high gradient streams and cold lakes.
* require well-oxygenated, cold water.
* seem to be prowling in shallower depths.

### trout:

Bull trout
* are a prime indicator of the health of forest ecosystems
  - absent in watersheds with the most roads, stream crossings and timber harvest
  - in trouble throughout most of their range in the northern Rockies
* are members of the char subgroup in the salmon family
  - salmon family known as char
  - predators that eat salmon
  - very susceptible to habitat destruction and overfishing
* have a unique life cycle.
* reach maturity in four to seven years and live as long as twelve years.
* require large, deep pools for over wintering
  - the cleanest, coldest water of any stream-dwelling fish in North America

Fresh trout
* has very little to no fishy smell.
* have very little or no fishy smell.

Golden trout
* are present in some lakes, predominantly in the West Walker drainage.
* feed on insects, especially caddis flies and midges, and also eat small crustaceans.

Infected trout
* carry spores that are very persistent, but the trout can survive for years.
* develop very persistent spores which can survive in moist environments for years
  - survive in moist places for years

Large trout
* Most large trouts have different food habits
* can eat large prey.
* feed almost exclusively on other fish such as mullet, pinfish, pigfish and menhaden.
* feeding on emergers usually just create a bulge.
* make home in long riffles, classic pocket water, deep holes, and undercut banks.