Just as in humans and other types of animals, fish eat by taking food in through the mouth. Food starts to break down in the mouth before being moved along to the stomach, where enzymes work to break the food down even f... More »

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Fish diets vary by species. There are some carnivorous (meat eating) fish, some herbivorous (plant eating), and many omnivorous (both meat and plant eating) fish. For example, the salmon is known as a predatory carnivoro... More »

Goldfish eat smaller fish as long as they fit in the goldfish's mouth. Goldfish do not have a picky diet. They eat a lot and go for whatever they can find that will fit in their mouth. This includes everything from fish ... More »

Tilapia are herbivorous fish that feed mainly on algae, aquatic plant cells and almost any plant-based food source. When produced for the food market through aquaculture, their diet may also include standard farm feed pr... More »

While goldfish will eat crustaceans, insects, plants and smaller fish in the wild, those that are kept as household pets most often eat commercially made goldfish food. This can be safely supplemented with shelled peas, ... More »

Fish eat a variety of food including plant life and other organisms such as macroinvertabrates, flies, worms, other fish and anything that may live in the fish's habitat. A trout in the wild will try to eat anything in t... More »

Whether fish feel pain is a point of controversy among scientists, but the consensus is that fish may respond to pain but not in the conscious way that humans respond to pain. Fish lack the neurological sensors that huma... More »

www.reference.com Pets & Animals Marine Life Fish