[Zurkiba]

Pearl Diving - Not sure... ask a bomy
Bird Catching - See above
Mushroom Picking - Slightly slower then bread making, but more entertaining
Mining - Only good if you have diamond equipment, otherwise the axe breaks
Fishing - Only good when you get higher level baits, then it goes slower (prices should be raised for fishing)
Farming - Probally the best untill you get diamond equipment, farming means pies!