![Wild rainbow trout scale depicting circuli pairs used for measurements. | Download Scientific Diagram Wild rainbow trout scale depicting circuli pairs used for measurements. | Download Scientific Diagram](https://www.researchgate.net/publication/228825369/figure/fig3/AS:669292601278471@1536583199404/Wild-rainbow-trout-scale-depicting-circuli-pairs-used-for-measurements.png)
Wild rainbow trout scale depicting circuli pairs used for measurements. | Download Scientific Diagram
![Newbie here: is this scale discoloration concerning? Caught about 2 hours before photo. : r/troutfishing Newbie here: is this scale discoloration concerning? Caught about 2 hours before photo. : r/troutfishing](https://i.redd.it/x4ktm02yil991.jpg)
Newbie here: is this scale discoloration concerning? Caught about 2 hours before photo. : r/troutfishing
![3. Scale of a 3 year-old rainbow trout tagged as an yearling migrant... | Download Scientific Diagram 3. Scale of a 3 year-old rainbow trout tagged as an yearling migrant... | Download Scientific Diagram](https://www.researchgate.net/publication/301649523/figure/fig8/AS:360993415811074@1463078945803/Scale-of-a-3-year-old-rainbow-trout-tagged-as-an-yearling-migrant-from-Sheep-creek-in.png)
3. Scale of a 3 year-old rainbow trout tagged as an yearling migrant... | Download Scientific Diagram
![Can someone please help ID what's going on with my rainbow trout? It looks like it's losing scales or color or something. Temp @ 66F, pH @ 6.5, saturated DO. This one Can someone please help ID what's going on with my rainbow trout? It looks like it's losing scales or color or something. Temp @ 66F, pH @ 6.5, saturated DO. This one](https://i.redd.it/j5qseg3ytjg11.jpg)