Zebra Mussel

    Zebra Mussel

    Dreissena polymorpha
    invasive icon

    Invasive

    Photo of amphipod on a rock

    Scuds and Sideswimmers (Amphipods)

    Species in the crustacean order Amphipoda
    Photo of a sowbug (left) and pillbug (right).

    Pillbugs and Sowbugs (Land Isopods)

    Land-dwelling members of the crustacean order Isopoda
    Photo of an aquatic isopod in an aquarium, crawling on a rock.

    Aquatic Pillbugs and Sowbugs (Aquatic Isopods)

    Freshwater members of the crustacean order Isopoda