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Home  >  Cool Critters  >  Alaska Ecology Cards  >  Fish
 
Three-Spine Stickleback

Traits: Fish with three sharp spines on its back; animal (vertebrate)

Habitat: Fresh and salt water

Foods: Copepods, water fleas, midges, rotifers, seed shrimp, aquatic worms, mollusks, amphipods, leeches, flatworms, water mites

Eaten by: Salmon, Dolly Varden, loons, grebes, mergansers, adult sticklebacks will eat young sticklebacks.

Do You Know? Sticklebacks have a high tolerance to low oxygen levels in shallow, frozen lakes. They can survive where other fish cannot.

Special thanks to the ADF&G Division of Wildlife Conservation.

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