Zane Reynolds is so far the only entrant in the kids division of the annual coho salmon derby, but his mom, Tonya Reynolds, said the 7-year-old’s catch was still impressive. Zane has been fishing for years, and according to his mom knew how to tie a fishing knot before he could tie his shoes. At a recent family outing to Chilkoot Lake, Tonya and her husband Michael, and another son, 6-year-old Asher,…