Brook Trout

Salvelinus fontinalis

Current British record: 8lb 3oz (1998) E Holland, Fontburn Reservoir, Northumberland

Brook Trout

The beautiful Brook Trout is not native to Britain and originates from America. With a greeny brown tinge to its flanks and its white tipped pectoral, anal and pelvic fins, this is a beautiful species of Trout. The Brook Trout’s tail fin is square but is rare occasions it can have a slight fork to its shape.


Due to the Brook Trout not being native to the UK there are no official weights. Within its home environment in America the Brook Trout can grow to in excess of 10lb. Within the UK, the average is around the 2lb mark. Anything around 4 to 6 lb is worthy of a photo and a mention in any angling paper!


The average size of an adult Brookie ranges between 10 to 12 inches.


Various reports suggest that a Brook Trout will survive up to seven years of age.


Brook Trout prefer cooler waters and will spend their time feeding in shallow pools. Once more confident they will explore deeper waters. Brookies will lay stationary in areas of weed, under cut banks and around boulders and logs, Brook Trout tend to favour clear clean water.


These are popular with anglers due to their fighting behaviours and their impressive determination to escape.


Insects and other aquatic species are top of the menu for a Brook Trout. It has been known that they will also eat smaller fish if they have the chance. The brook Trout’s mouth is rather large once fully extended and can fit a large meal in one bite, a larger mouth benefits the Brook Trout as there is a higher chance of success when chasing its meal. When fishing for a Brook Trout your best chance of catching is to use a fly. Brook Trout will go for a variety of flies, make sure that your line and fly are suitable for the depth and conditions.


Brook Trout are reported to be sexually mature at the age of three years of age.


Spawning takes place in October to November time, The females will use their tails to make a spawning nests, clearing any debris that may hinder their laying. A spawning nest is called a redd and can be up to 2 feet in diameter. The eggs will be buried until fertilised by the changing males with their vivid colours and hooked lower jaw. Eggs will hatch in two to three months and the cycle starts again.


All information is from a variety of sources, if you think we have missed something? Email with your update.

See you on the bank.

The Fishing UK Team!

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