best bait/ fish types?

[qbradq]

With the new purity additions fishing has more usefulness, at least in the mid-game. Also it's kinda handy to know where to get high-purity fish to pump into your first compost bins. But again, once you have purity farming underway it's no longer very important.

[Ravi]

.. purity.. farming? I've just been spamming woodchips into my compost so I can fill my 2 pots