Most small fish and those that don't contain high levels of mercury are safe for the majority of the population to eat. Pregnant women, children and people with other health concerns should talk their doctors to ensure t... More » Pets & Animals Marine Life Fish

Fish with low mercury levels are safe to eat when pregnant. Fish such as salmon, anchovies, herring, trout, shrimp and catfish are a good source of protein, iron, zinc and omega-3 fatty acids, according to Mayo Clinic. More » Health Nutrition & Diets

The most common cause of appetite loss in fish is stress. The stress from overcrowding or transitioning to a new aquarium can cause a fish to stop eating for more than two days. More » Pets & Animals Pets Aquatic Pets
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Adult rockfish feed on shrimp, small fish, jellyfish, squid, crab, crab eggs, octopus, sea snails and worms. Rockfish belong to the Sabistidae family of marine fish. They are also commonly known as rock perch, ocean perc... More » Pets & Animals Marine Life Fish

Mackerel eat copepod larvae, copepod eggs, adult copepod, small fish larvae, euphausiid shrimps, planktonic animals and pelagic Crustacea. Residents of many countries enjoy eating mackerel, but it is not a popular fish c... More » Pets & Animals Marine Life Fish

Sunfish prefer to eat jellyfish, although they also eat zooplankton, algae and small fish. They are omnivorous, meaning that they eat both plants and animals. More » Pets & Animals Marine Life Fish

Stonefish feed on crustaceans and small fish. The stonefish primarily hunts in reefs and has strong camouflage abilities, emulating the rocks and reef in which it dwells, making it a dangerous predator for its prey. More » Pets & Animals Marine Life Fish