A close-up of the scales where they join the caudal, or tail, fin on a rainbow trout that was caught in the UK fly fishing. Fish fins are formed from

---

A close-up of the scales where they join the caudal, or tail, fin on a rainbow trout that was caught in the UK fly fishing. Fish fins are formed from bony rays.

---

Size: 5760px × 3840px
Photo credit: © www.pqpictures.co.uk / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: bony, camouflage, caudal, caught, coating, colours, fin, fins, fish, fishing, fly, flyfishing, natural, rainbow, rays, reared, scales, sclaes, skin, tail, trout