This hardy fish can tolerate water temperatures from five to more than ten degrees warmer than can other trout species, as well as inhabit semi-polluted waters and rivers with lower-than-average oxygen levels, but it is far more at home in a cold fresh stream.  

Brown trout are territorial, and weathered anglers use this knowledge when they find a seemingly empty region of a river.

Instead of bypassing the barren stretch, anglers should assume that this stretch is the territory of a large brown trout that has successfully defended its homeland and eaten smaller intruders.

How to spot the difference

between a Salmon Parr & a Brown Trout Parr

Light sensitive, trout feed under shade-providing brush piles and after dark.

The obstruction-filled waters inhabited by brown trout hamper most attempts at presenting any lures, baits, or flies to the protected fish.

In open water, too, the fish has a tendency to swim directly for underwater cover and grasp a submerged object until finally opening its mouth to breathe.

Unlike rainbow trout, brown trout prefer natural-looking artificial flies to blatantly fake red, white, or blue flies.

Trout have impressive faculties of vision, smell, and hearing, able to focus on two objects placed at different distances at once in dim, cloudy waters.

Like other trout, browns spawn in gravel nests dug on the river bottom between seven and fifteen centimetres deep.

The fish spawn from September to December, as dictated by the climate and water conditions. Predatory minnows eat a large portion - around 95 per cent - of the eggs and hatched fry.

In three to five weeks, the vulnerable fry hatch from the surviving eggs.

Most of the Brown Trout fishing on the River Clyde is upstream on UCAPA & Lamington controlled water. (Season & Day tickets available, check the club pages for further details).

The Brown Trout

Salmo Trutta

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