Eat algae and mosquito larvae, but search the bottoms as well for mayfly nymphs and stone fly.
Cold water fish preferring water temperatures in the 50-60° F. Because of this they not an ideal fish for ponds that receive full sun because the water temperature will get closer to 80° F. You can reduce water temperature with plants that cover the water if water temperature never exceeds 70° F without plants.
Because of temperature differences it is not a good idea to mix trout and koi together. Koi's immune system do not really kick in until water temperature reaches 65° F.
Trout are shy, timid fish and require abundant plant life to hide in.
Trout come in many different colors from greens to browns to yellows and with multicolor patterns including rainbow.
Do not catch trout in the wild and bring them home. It is illegal and they may introduce diseases and parasites into your pond.
The state of Utah requires you to have a license to keep many kinds of trout.
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