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 ...

When exposed to an increase in the water temperature of their habitat, zebrafish, three-spined stickleback and flounder ... the water temperature "by 0.3°C per minute, until the fish lost its ...