I was just reading a few websites on the North and South Esk in Scotland.
Salmon Fishing in Scotland - River North Esk and
FishPal - Scotland - Esks - When to Fish
and was reading this part of the fishpal site:
"Autumn fishing
From early September large multi-sea-winter fish enter the rivers. These fish typically range from 7 - 12 kilos and are a major incentive for anglers. This run continues throughout... "
Kilos? Kilos!

What are they?
Just wondering if fishermen in Scotland use metric system for fish weight? I can't, I'm still pretty much Imperial for most things. I still have maps of Scotland going back a number of decades that are in feet and miles, I find it difficult to use the new os maps as they seem to all be metric and don't list mountains in feet - I can't do metres!
Is it just me or do you prefer imperial system as well e.g. feet, miles, pounds, ounces, pints, gallons, stone, fl oz?