When I was a biologist aid we were told that aging by scales is an art. Of course the biologist sent us to the shed to mend gill nets and didn't teach us squat on scales. One of the other biologists said we were getting ripped of experience.

I like the ear stones better. Seem easier to read but of course you have to kill the fish.

If pigs could fly bacon would be harder to come by and there would be a lot of damaged trees.