When do the tiny trout disperse downstream or upstream to new habitats?
Answer: As soon as they feel comfortable enough in their own swimming abilities and some hard lessons learned will prompt them to move on to new home territory.
How long do they carry the parr marks on their sides?
Answer: Some trout loose their parr marks earlier than others, it may have something to do with the environment that they choose to live in. Most trout will retain the marks for the first few years of their lives, and then the marks begin to fade.
When do the small trout move into faster water habitats?
Answer: When they find an available habitat in faster flowing water, the trout need the calmer water of lateral margin habitats for growth in their early months of life.