Lake Trout Life Cycle

In one to three years steelheads migrate out of their natal streams.

Lake trout life cycle. As a juvenile a trout resembles an adult but is not yet old or large enough to spawn. Trout turn vibrant in color. It was noted that Brown Trout were caught in Lake Ontario by 1944 Richardson 1944 and a good population was in Wilmot Creek by 1966 Department of Energy and Resource Management 1966.

In the adult stage female and male Tasmanian Rainbow Trout spawn in autumn. During the lake-dwelling portion of their lives steelhead are often found in waters less than 35 feet 11 meters deep with temperatures of 58-62 degrees Fahrenheit F or 14-17 degrees Celsius C. Lake trout normally spawn during the fall months.

Most drop the eggs while still inflight from above the water while others dip the back part of the abdomen to deposit them into the water. Typically 6-8 years in the Great Lakes region. The bull trout follows four distinct life history strategies including stream resident river migration lake migration and ocean migration.

Most sexually mature trout on spawning grounds are 36 years old representing the number of completed winter seasons. 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. They would return to the water to descend to the surface of the water to lay eggs.

Spawning occurs at night and may include several individuals in a spawning group. Sockeye salmon migrate out of Babine Lake after. Lake trout typically live for 10 to 20-years although some have been known to reach 60-years or more.

The source and thus life histories of Lake. After one year they are considered adults and depending on their environment will be able to breed within ten years. In fact the current IGFA All-Tackle lake trout stands at 72-pounds.