Description: Round Goby is a small, bottom-dwelling species that can be distinguished by its dorsal fin tinged in green with a black spot; frog-like raised eyes; thick lips; and single scallop-shaped pelvic fin. The colouration of this species is mottled brown (a spawning male is black). Round Goby is an invasive alien species, which means it is a threat to North America’s aquatic ecosystems.  If you find this species in the SNC watershed, please report it to the Invading Species Hotline: 1-800-563-7711.

Habitat: This fish prefers habitat near shore, with rocky, sand bottoms, but it is not limited to these habitats.