This a list of live foods (for fish sold):

Euglena
Algae
Daphnia
Brine shrimp
Mysid shrimp
Pond snails
Ramshorn snails
Glassworms
Microworms
Mealworms
Crickets
Waxworms
Earthworms

Does anyone know other live foods?

Blackworms, tubifex worms, wingless fruitflies, mosquito larvae, bloodworms, other insect larvae, small fish, and more.

I have seen blanketweed sold in live food bags as a supplement to mbunas diets.