| Author: | Stephenson, S.A., and W.T. Momot |
| Article Title: | Threespine, Gasterosteus aculeatus, and Fourspine, Apeltes quadracus, sticklebacks in the Lake Superior Basin. |
| Journal Name: | Canadian Field-Naturalist |
| Keywords: | Apeltes quadracus, Culaea, Gasterosteus aculeatus, Pungitius, introduced species, Lake Superior |