Rainbow Trout Life Span

Stream dwelling and spawning brown trout are darker with more intense colors.

Rainbow trout life span. The Life Cycle of Rainbow Trout Alevin. The average life span of wild rainbow trout in Virginia waters is very similar to that of brook trout. They have 8 to 13 parr marks on their sides.

They will also eat fish eggs including the eggs of other rainbow trout and will scavenge on leftover carcasses as well. 18 - 38 years. The steelhead often referred to as steelhead trout is a.

Oncorhynchus mykiss individuals live for 6 to 8 years in the wild possibly up to 11 years. They begin migrating upstream many miles in some cases to dig shallow depressions in patches of gravel called redds. Egg hatching depends on the water temperature in an aquarium or in a natural habitat.

Lake trout commonly live for 10 to 20-years although some have been known to live for up to 60-years. Before making their way to the ocean steelhead smolts look like small adults. Some offspring of two steelhead can stay in freshwater and be resident trout and two offspring of resident rainbow trout can create a steelhead.

The average lifespan for a rainbow trout is 4 to 6 years in the wild. I think the maximum is right around 10-12 years. Average Life Span In The Wild.

The female trout cleans sediment and debris away from the redds by vigorously fanning her tail fins against the stream bed. Young steelheads are identical to rainbow before going to the ocean. The largest rainbow trout ever caught was estimated to be 11 years old.