Mop Fly
Imitates grub/Larvae
Controversially effective fly tied with mop fiber chenille. Imitates grubs and maggot-like larvae. Hated by purists, loved by fish.
Hook sizes
in white, tan, green, yellow
- Type
- nymph
- Imitates
- Grub/Larvae
- Difficulty
- beginner
- Technique
- euro nymph, indicator
- Water
- tailwater, freestone
When to fish it
Anywhere you need to put fish in the net. Particularly effective in tailwaters and stocked fisheries.
More nymph patterns
Read before you go
New York Fly Fishing August: Summer Trout & Prime Hatches
August fly fishing in New York offers prime trout conditions on the Delaware, Beaverkill, and Willowemoc. Trico hatches, terrestrials, and cooler morning fishing.
Winter Fly Fishing: Essential Cold Weather Tips & Tactics
Master winter fly fishing with proven cold weather strategies, gear selection, and tactics for catching trout when temperatures drop.
Fly Line Types Guide: WF, DT, Running & Shooting Heads
Master fly line selection with our comprehensive guide to weight forward, double taper, running lines, and shooting heads for every fishing situation.
Fly Fishing Pack vs Vest: Which Setup Is Right for You?
Compare fly fishing packs and vests to find the perfect gear setup for your angling style and fishing conditions.
Best Fly Fishing Sunglasses: Lens Color & Polarization Guide
Master lens color selection and polarization technology for superior vision and fish detection on the water.
Fly Fishing Nets – Rubber vs. Nylon & Why It Matters for Fish
The net you choose dramatically impacts fish survival. Here's why rubber nets are superior to nylon for catch-and-release success.