The three-spined stickleback has found success in a number of ecosystems across North America, Europe, and Asia in salt and freshwater alike. Yet the three-spined stickleback's close relative, the ...

Stickleback make their home in lakes across Canada, including British Columbia's Kennedy Lake, where Rudman collected fish for his study. The lake has stable populations of stickleback with both high ...

A regime shift is gradually spreading through the archipelagos of the Swedish Baltic Sea coast, where shallow bays, previously dominated by pike and perch have one by one become dominated by one of ...

The last ice age ended almost 12 000 years ago in Norway. The land rebounded slowly as the weight of the ice disappeared and the land uplift caused many bays to become narrower and form lakes. Fish ...