When Do Bull Trout Spawn

They generally spawn as water temperatures are rising.

When do bull trout spawn. 31012019 Brook trout enter their spawning season in early September which can continue for some fish through October depending on water conditions. Bull Trout are cold water specialists which have identified as having more specific habitat requirements than other salmonids18. Spawning times can be quite variable and are dependent on water temperaturethey can spawn as early as January in warm areas such as California or as late as June in colder areas.

Bull Trout Spawn in the Fall usually late August Early October dependent on weather and stream temperatures. Many spawning areas are in areas with cold water springs or areas where streamflow is aided by groundwater. Typically bull trout will begin their spawn in September and can be found spawning until late November or early December.

19122019 This trout reaches sexual maturity at between four and seven years of age and are known to live as long as 12 years. Bull trout reach sexual maturity at between four and seven years of age and are known to live as long as 12 years. Therefore Bull Trout require sparkling c lean c lear streams to thrive.

During this feat bull trout change from their silver non-breeding colours to their vibrant breeding colours. C onnected spawning and maturing habitats are key to Bull Trout survival they return to the same place to spawn every year. We observed 30 55 and 58 Bull Trout redds in Fall Creek in 2007 2008 and 2009 respectively.

Spawning Bull Trout spawn in flowing water8 and show a preference for gravel and cobble sections in smaller lower order rivers and streams. Rieman and McIntyre 1996. Most of BCs coastal rivers have very little insect life so resident fish like bull trout rainbow trout and cutthroat trout depend on the Fall salmon migration to bring nutrients to the river.

They spawn in the fall after temperatures drop below 48 degrees Fahrenheit. 30112020 Winter bull trout season usually kicks off in late November as coastal salmon runs begin to spawn and the opportunistic tendencies of bull trout kick into full gear. Look for their redds in gravelly flat sections of the streams.