Mummichogs primarily feed at the surface of the water (Government of Newfoundland and Labrador, date unknown). This feeding occurs predominantly at high tide during the daytime. They are however somewhat opportunistic feeders and will feed at all levels of the aquatic zone as long as there is food available. Mummichogs feed on a large variety of organisms. Some of the things that they eat include phytoplankton, mollusks, crustaceans, insect larvae, eggs of their own species, and vegetation such as eel grass. These fish have also been known to eat other smaller fish (Rutherford, 1996).
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