Fish can be fed fish food or artificially created food. This is different from natural food which is made from natural ingredients.
Jawless fishes are voracious feeders while cartilaginous fishes are predators with a various diet.
whale haunt and feed themselves. they feed at small fishes and eat them
yes they can but on small fishes
Parrot fishes are omnivores, they are always hungry and will feed on almost anything!
both depleate the oxygen in the water and kill fishes ... poor fishes
Ocean Sunfish MAINLY feed on jellyfish...But also feed on other SMALL fishes.
Viperfish feed primarily on crustaceans and small fish.
Many of the reef fishes feed on sponges for their diet.
Butterfly fish eat certain types of coral.
Anytime but just don't overfeed your fish
Finicky fishes will often refuse dry foods, as well as certain carnivores that require live prey to illicite a feeding response. There are far too many to list here.
Fishes and other aquatic animals can feed algae and other small aquatic creatures.