Where humans lower water quality, poor quality stickleback male fish trick unsuspecting females. An increase in nutrient input in the Baltic is compromising water clarity by promoting algal blooms.

Certain populations of threespine stickleback fish have evolved over time to resist tapeworms found in freshwater lakes, but this resistance comes at a cost. Biological Sciences Asst. Prof. Natalie ...

It’s two inches long, scaleless, and can have a few menacing spikes on its spine. The small, yet mighty unarmored threespine stickleback fish is known as a fierce protector of its nest. Its protection ...

UC Berkeley scientists studying stickleback fish published new research suggesting that changes in gene regulation may underlie the evolution of body patterns in nature. Researchers found that ...

Large numbers of three-spined stickleback have gradually taken over larger parts of the Baltic Sea's coastal ecosystem, shows a new scientific study. Stickleback is a small prey fish common in aquatic ...

How did Mary the stickleback fish gave birth to already-fertilized eggs? Scientists have solved how the fish had a “virgin birth,” and the answer is simpler than one might expect. Mary is a female ...

Although the threespine stickleback fish has been celebrated on the currency of the Netherlands and been a star of a pioneering 1928 French documentary film, the fish has found its most receptive ...

Stickleback fish are able to adapt their vision to new environments in less than 10,000 years, a blink of the eye in evolutionary terms, according to new research by University of British Columbia ...

A little stickleback fish (Gasterosteus aculeatus) nicknamed "Mary" appears to have leaped across a major reproductive divide on the evolutionary tree of life. Stickleback females, like most female ...

LEICESTER, England, Nov. 3 (UPI) --When choosing a mate, the female stickleback fish looks for a male that's handy around the house and quick on his feet -- or fins. More specifically, she prefers a ...