When Do Bull Trout Spawn In Alberta

They can first spawn when they are 18 months old and only six centimetres 24 inches long.
When do bull trout spawn in alberta. They spawn in the fall after temperatures drop below 48 degrees Fahrenheit in streams with abundant cold unpolluted water clean gravel and cobble substrate and gentle stream slopes. Typically it takes five to seven years for bull trout to reach spawning age Roberts 1987 by which time many are caught and removed from the population. Bull Trout use small tributary streams to spawn and rear as juveniles.
Do not fish tributary streams during Bull Trout spawn mid September through October and avoid targeting Bulls during this time. Most bull trout spend winters in deeper pools to avoid ice. They can live for a very long time sometimes upwards of 20 years.
29082018 In addition to this large bull trout were culled weakening their numbers. Bull Trout usually reach spawning maturity around 4-7 years old. Bull trout compete with other fish on a variety of levels.
Their numbers became deplete because of this overfishing and their later spawning habits. They can live for a very long time sometimes upwards of 20 years. Bull Trout usually reach spawning maturity around 4-7 years old.
Bull Trout use small tributary streams to spawn and rear as juveniles. Their numbers became depleted because of this. The bull trout prefers to spawn in cold clear small flowing mountain and coastal streams with loose gravel and cobble at the bottom.
Bull trout reach sexual maturity at between four and seven years of age and are known to live as long as 12 years. Juvenile fish are usually found in shallow side channels and move into pools as they grow. 26042018 Bull Trout Spawn in the Fall usually late August Early October dependent on weather and stream temperatures.