Hey Greyhound,
As Esshup said, IMO if you're in a hurry the seine will be the surest and fastest.
If you want to trap the minnows, IMHO I would buy a Gee's G-40 Trap. If you want to try fishing for the larger ones again, use a #10 or 12 hook. Lot's of baits you can try. Dough balls, canned english peas, worm...I would keep the bait small and fish with an open bail so the fish can run with the bait a little.
FWIW IMO I would think the leeches are a bigger problem for swimming than the fish.
Good luck!
Bill D.
Last edited by Bill D.; 05/31/15 04:25 PM.