A tiny, scaleless, freshwater fish, the highly endangered unarmored threespine stickleback is a fierce protector of its nest, which it defends by dashing forward with gaping mouth and “hackles” raised ...

The stickleback is a small fish characterized by its conspicuous spines and unique reproductive behavior. Despite its small size, it is a fierce swimmer that scares off predators with its movable ...

Below is a list of locations in which you can fish for Stickleback. Of course, you'll always be on the look out for rare items with star quality markings - meaning that the particular item offers ...

The results show that fish from shallow waters, such as the three-spined stickleback and zebrafish, adapt more quickly to temperature changes. "The heat tolerance of these two species changed ...

This article was originally published with the title “ The Curious Behavior of the Stickleback ” in Scientific American Magazine Vol. 187 No. 6 (December 1952), p. 22 doi:10.1038 ...

BREEDING: The male threespine stickleback establishes a territory that he vigorously ... LIFE CYCLE: Most of these fish live for about a year. They do not usually survive to a second spawning season.