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Gasterosteus 
Summary
Gasterosteus is a genus of ray-finned fishes belonging to the family Gasterosteidae, the sticklebacks. These fishes are found in freshwater, brackish water and marine habitats in the Holarctic region.
| Gasterosteus | |
|---|---|
| |
| Gasterosteus microcephalus | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Scorpaeniformes |
| Family: | Gasterosteidae |
| Genus: | Gasterosteus Linnaeus, 1758 |
| Type species | |
| Gasterosteus aculeatus Linnaeus, 1758
| |
| Synonyms | |
Species edit
There are currently 6 recognized species in this genus:
- Gasterosteus aculeatus Linnaeus, 1758 (Three-spined stickleback)
- †Gasterosteus crenobiontus Băcescu & R. Mayer, 1956 (Techirghiol stickleback)
- Gasterosteus islandicus Sauvage, 1874 (Iceland stickleback)
- Gasterosteus microcephalus Girard, 1854 (Smallhead stickleback)
- Gasterosteus nipponicus Higuchi, Sakai & A. Goto, 2014 [1]
- Gasterosteus wheatlandi Putnam, 1867 (Black-spotted stickleback)
Additionally there are a number of fossil species including:
- †Gasterosteus kamoensis Nazarkin, Yabumoto & Urabe, 2013
References edit
- ^ Higuchi, M., Sakai, H. & Goto, A. (2014): A new threespine stickleback, Gasterosteus nipponicus sp. nov. (Teleostei: Gasterosteidae), from the Japan Sea region. Ichthyological Research, (61) 4: 341-351.