As war continues to rage in Gaza and Ukraine, there is concern about how the related trauma might be transmitted to future ...

A Longspined Bullhead. Click here to experience the full-size image. Image: Søren Skarby Combining work with hobbies can be a ...

A water company has confirmed one of its treatment works was the source of pollution that killed thousands of fish in a ...

Brook stickleback Brook stickleback, Culaea inconstans, is a small fish that grows to 2½ inches long and lives in cool, calm waters of lakes, ponds, sluggish stream, wetlands and bogs.

One stickleback lives in open water and is small, sleek and spiny, while the other larger fish is camouflaged in the shallows of the lake.

Brook stickleback Brook stickleback, Culaea inconstans, is a small fish that grows to 2½ inches long and lives in cool, calm waters of lakes, ponds, sluggish stream, wetlands and bogs.

The stickleback is listed as a federally endangered species and is only found in limited places in Southern California, according to the U.S. Fish & Wildlife Service. “What we are proposing is not ...

The stickleback is listed as a federally endangered species and is only found in limited places in Southern California, according to the U.S. Fish & Wildlife Service.

Aquatic ecologist Ross Peterson pulls a trap from Enos Lake to search for the stickleback fish but the trap only contained the invasive crayfish, in Nanoose Bay, B.C., on May 18.