A tiger can’t lose its stripes and salmon can’t stop eating shrimp. After bulking up for 1-4 years on the good stuff, it seems that hitting them is encoded in salmon DNA even during their “no-eat” river run. The same goes for other salmonids with a similar life cycle. Ally’s is probably the most famous shrimp pattern out there – banned on some rivers due to being too effective!
Also available: Coneheads