Zoologist Frank Indiviglio remarks about several types of worms that are useful as food items for aquarium fish including bloodworms and sandworrms on that fish blog.
Bobbit worm emerges from rock after hiding in man's fish tank for TWO YEARS
Finding the Algae Facts Tropical Fish Hobbyist Magazine
Types of Worms Found in Fish Aquariums
Dip Treatments For Fish And Corals
Aquarium Fish Nutrition Fish Food Information & Aquatic Health
What kind of aquarium fish (that looks like a miniature catfish) eats off rocks and structures in a home aquarium? Do owners have them to clean the tank? - Quora
How to Identify Worms in Your Reef Aquarium
Live worm found in my raw halibut. What is the worm, and is it safe to eat? (Wild halibut from Alaska. I'm in Southern California) : r/whatsthisbug
Dip Treatments For Fish And Corals
Feeding Live Blackworms to Marine Fish
Behold! The Lowly Earthworm - The Fisherman
Saltwater Oddball Aquarium Fish Tropical Fish Hobbyist Magazine
Common Parasites of California Marine Fishes
What four decades of canned salmon reveal about marine food webs