It does not follow a set migratory path, but may actively seek out suitable spawning habitats between July and December.

These vary in size, feeding behaviors and preferred spawning habitats.

Spillman Creek contains wild rainbow trout with possible spawning habitat.

Hybridization between the two species has been known to increase if there is less spawning habitat due to stream degradation.

Over the past decade several government agencies and non-profit organizations have been trying to remove the dam to restore access to upstream spawning habitat.

The utilities have shown their concern for fish life by sinking immense logs, anchored with concrete blocks, to the lake bottom to create spawning habitat.

Its spawning habitat is over gravel in pools and riffles.

It also has a lithophilous spawning habitat.

However, the good spawning habitat in the upper reaches has been blocked by the construction of multiple dams.

Lack of suitable spawning habitat could be a detriment in the future and should be monitored closely.