Fishing.High purity fish.

i was fishing for 2 days and tried different things.
I wonder if i have very high purity hook(99%) it will be lower chance to catch?WHAT HAPPENED WITH FISHING?WHY I CAN CATCH JUST 1 FISH WITH 20 times of fall.
I wonder if i have very high purity hook(99%) it will be lower chance to catch?WHAT HAPPENED WITH FISHING?WHY I CAN CATCH JUST 1 FISH WITH 20 times of fall.