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 ...

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 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 ...