tiny food.
Cabage or flakes
The tiny fish eat whatever the sharks don't eat and it keeps them clean.
they eat like tiny fish
Butterfly Fish eat tiny shrimp, worms, and algae.
Salmon fish eat flies.
Small squid eat shrimp.
Bluegills eat insects, worms, tiny fish, fish eggs, even algae.
phytoplankton and plants
eat it
I'm guessing they can.
Ghost knife fish are insectivores and will also eat small water born crustacea and tiny fish.
angelfish,clown fish. mostly the fish around that's tiny
Bluegill will eat any species of tiny fish.