Measure cleanup
Time several ordinary fish before and after any knife upgrade.
Scaling route
Scale Slimy Fish Scaling Guide
Scaling is the middle of the confirmed loop: catch fish, scrape scales, feed animals, earn cash, and upgrade tools. Use this page to decide when sharper knives matter more than better rods.
Watch backlog
If scaled fish queue up or boosts expire during cleanup, scaling is the blocker.
Retest after updates
Weather and code updates can change route pressure, so keep old timing notes separate.
Knife upgrade test
Fish type
Old knife time
New knife time
Cash/hour change