Some do, yes. The size of a fish is often not directly dictated by what kind of food they eat, and vice versa.
Medium fishes eat small fishes as that's just part of the food chain.
Small fishes often like to hide among plants, so that larger fishes do not find and eat them.
Yes, small fishes will eat shrimp as part of their diet.
krill and small fishes
small fishes
They eat mostly algae and other sea plants.
Yes, cod eats zooplankton and phytoplankton. As well as other small fishes and plants for a regular diet.
Nemo eats plants and other fishes!~
They eat planktonic crustaceans and small schooling fishes.
yes they do but be carefull for the....
They eat planktonic crustaceans and small schooling fishes.
northern whales eat small fishes.