Answer:
Small fish eat mostly plants. Depend on fish types if they are vegetarian they will eat small plants and if they are non-vegetarian they eat other small fishes, eggs of fishes, small insects, shrimp, dead fish and anything dead in the water. They also love to eat Zooplanktons, phytoplanktons.
Explanation:
You should tell them to do the investigation and they should add a link where they got their info and you can tell them to make a video explaining what they eat.
