Gasterosteus Pungitius is commonly known as the Ten-spined Stickleback. Other synonyms for this species include Pungitius pungitius, Spinachia spinachia, and Gasterosteus spinachia. The Ten-spined Stickleback is a small freshwater fish that is found in temperate regions of the Northern Hemisphere, including Europe, Asia, and North America. It has a distinctive spiny armor on its body, which provides protection from predators. Its diet consists mainly of small invertebrates, such as insects and crustaceans. Although it is a common species, it is under threat due to habitat loss and pollution, highlighting the importance of protecting this fascinating fish.