Achievements Unlocked
Don't worry, metagaming is all that matters.

Fish Species Caught
How many different species of fish you've caught so far. Gotta fish 'em all.

How Do I Switch Hands???
If you saw someone casually club themselves upside the head with a toolbox anywhere in the galaxy but here, you'd probably be pretty concerned for them.

Legendary fisher
Give a spaceman a fish and you feed him for a while; teach a spaceman to fish and you feed him until the shuttle arrives.