Threespine Stickleback

Gasterosteus aculeatus

The Threespine Stickleback (scientific name Gasterosteus aculeatus) is species in LeafFauna's fish group, belonging to the genus Gasterosteus. LeafFauna lists Threespine Stickleback among more than 25,000 animal species. Every photo is credited to its photographer and shown under its license. Open it in the LeafFauna app for more facts, a range map, sightings by month and more photos.