Daphnia, small planktonic crustaceans sometimes called "water bugs," are at the base of many fresh water food webs and are commonly consumed by small fish. They are also eaten by many aquarium fish and pet fish. More »

According to John Clare, starter cultures of Daphnia can be mail-ordered from LFS Cultures, Blue Spruce Biological Supply and LarvaTech. Daphnia can also be captured from most lakes or ponds using a fine-mesh net. Purcha... More »

www.reference.com Pets & Animals Marine Life

Guppies eat fish flakes or general fish food, but they are an omnivorous animal that likes to eat a wide range of organic, aquatic matter. A healthy, varied diet for a guppy includes vegetables, freeze-dried foods and li... More »

www.reference.com Pets & Animals Marine Life

Freshwater eels eat small fish, worms, and crustaceans. Most eels are carnivores or meat eaters. They may also eat frozen fish food. More »

According to John Clare, starter cultures of Daphnia can be mail-ordered from LFS Cultures, Blue Spruce Biological Supply and LarvaTech. Daphnia can also be captured from most lakes or ponds using a fine-mesh net. Purcha... More »

www.reference.com Pets & Animals Marine Life

Cnidarians obtain food, mostly prey animals such as crustaceans and fish, by passively waiting for animals to pass by and touch their tentacles, whereupon they poison them and draw them toward their mouths to be digested... More »

As omnivores, shrimp consume many different kinds of animal and plant species, but primarily feed on small fish, algae, plant particles and plankton. They will also eat decaying plants and will scavenge parts of dead ani... More »