It depends on where they live and the species of fish. Some eat other fish. Parrot fish eat corral. Some fish eat plankton. Sometimes sharks will eat almost any trash left out by uncaring people.
eat fish
The arapaima eats fish, frogs, turtles, and birds.
the diet of a barracuda includes sardine anchovies and squidsmall fish squid and shrimp
No, no pelicans don't eat algae. Their diet mainly consists of fish and amphibians and they are carnivorous in nature.
Uh...no. They eat a lot of things found in nature. 90% of their food is vegetation.
Pelicans eats fish, which may affect other animals that eat fish. Also it may affect plant/animals that the fish eats.
Fish in a lake typically eat a combination of aquatic insects, algae, zooplankton, smaller fish, and other organic matter found in their environment. The specific diet of fish can vary depending on the species and size of the fish, as well as the availability of food sources in the lake.
They eat algae and other microscopic life in nature. But if you can feed them fish food, egg yolk, and baby cereal.
Whales eat krill and other fish. Fish eat other fish, depending on what type of fish it is.
There are fish that do eat them, but not ALL fish eat them.
Do you mean 'wild turkeys' that live free in Nature? Wild Turkeys keep eating the live bait before they can actually go catch a fish, It is also difficult for them to hold a fishing rod. If the Turkey would randomly find a fish somewhere he might eat it though if he was hungry enough. But it is not in the natural diet of the turkey to eat fish. A farm Turkey would eat fish if it is fed to him I guess.
In nature octopi are eaten by sharks and other large fish. People also enjoy octopus as food.