Moderate to swift flowing streams and rivers with gravel or cobble bottoms. Brown trout tend to hold in deeper pools and cover areas such as log jams, but will move to shallow riffles to feed. Optimum temperature range is 16 to 20°C.
Distinguishing Features – Golden coloured, red spots and black spots surrounded by a halo.
Spawning – Brown trout spawn during the fall (October to early November) when water temperatures reach approximately 6 to 10°C. In riffle zones at the tailout of pools, female trout clear a depression in the gravel known as a redd, or nest, to deposit their eggs. Males will move in to fertilize the eggs as they are deposited.
Food Preference – Adult and larval aquatic and terrestrial insects, crayfish, minnows.Occasionally frogs and swimming rodents.
Average Size – 30 to 50 centimetres (12 to 20 inches) with some individuals up to 70 cm (28 inches) also caught.
The season for Brown trout is generally open from the last Saturday in April to September 30 in areas of the Grand River Watershed where this species resides. There are Special Regulations that apply to certain sections of the Upper Grand River and Whiteman’s Creek. Refer to the Provincial Fishing Regulations for specific regulations.
Tips & Techniques
Regularly caught on a variety of dry, wet and nymph fly patterns. Roe and worms are effective in areas where organic baits are permitted. Refer to Provincial Fishing Regulations for bait restrictions.
See here for pictures of Brown Trout from the Grand River in Fergus, Ontario.
Local Fishing Opportunities
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