Rainbow fish are omnivores that eat a variety of foods in the wild, including aquatic and terrestrial insects, insect larvae, crustaceans, phytoplankton, zooplankton and detritus. A suitable diet for the aquarium include... More »

The serpae tetra or Hyphessobrycon eques is a peaceful schooling fish of the Characidae family. Native to Argentina, Brazil and Paraguay, the fish has a colorful black, white and red appearance that makes it a favorite a... More »

www.reference.com Pets & Animals Pets Aquatic Pets

The red/blue Colombian tetra is a member of the Charicidae family native to South America. Its peaceful temperament and reflective body with a bright red tail make the species a favorite of beginning and expert aquarium ... More »

www.reference.com Pets & Animals Marine Life Fish

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 »

While the specific diet of a freshwater fish depends on its species, most eat smaller fish, leeches, worms, insects, crustaceans, plankton and krill. When kept in an aquarium, freshwater fish can thrive on a combination ... More »

It is common for salmon to feed on other fish and zooplankton. What a salmon eats varies greatly depending on the region. More »

Flounder are flatfish that eat shrimp, crustaceans and other fish. Adult flounder can eat between 4 and 8 percent of their body weight every day. More »