Why are earthworms often used as bait for fishing, even though

Why are earthworms often used as bait for fishing, even though earthworms are not the main food of fish? - Quora

Invasive earthworms threaten growth of new North American trees

This lure any good? : r/Fishing

Worm Keeping Without a Wormery - No Hassle, Fresh Fishing Bait UK

Breed the BEST worms for fishing - European Night Crawlers

Why are earthworms often used as bait for fishing, even though earthworms are not the main food of fish? - Quora

What is odd between: crab, prawn, scorpion and earthworm? - Quora

Fiddling your way to fresh bait • Arkansas Game & Fish Commission

What is the reason that worms work better than other baits when fishing for bass and panfish? - Quora

What types of worms can you use as live bait when fishing with minnows or earthworms? - Quora