Ritts Fighting Crayfish Rust - North Park Anglers

Crayfish - North Park Anglers

Crayfish - North Park Anglers

North Park Anglers Fly Fishing Club

Crayfish boil aims to draw attention to aquatic invaders - Duluth

Ritt's Fighting Crawfish Tan #10 - Blue Ribbon Flies

Ritts Fighting Crayfish Rust - North Park Anglers

Taking a BITE out of Invasive Species (and Boredom)

North Park Fly Fishing Shop

North Park Anglers Fly Fishing Club

Coastal Angler Magazine, August 2013

Minnesota Seasons - rusty crayfish

Rusty Crayfish at VOYA - Great Lakes Research and Education Center

Tying Al Ritt's Fighting Crawfish

North Park Anglers Fly Fishing Club

Flyfisher Spring-Summer 2014 by Fly Fishers International - Issuu