Gasterosteidae
Threespine Stickleback
Gasterosteus aculeatus Linnaeus, 1758
Gasterosteus aculeatus (three-spined stickleback) is a morphologically diverse Northern Hemisphere fish widely studied for rapid evolution and speciation.
Ninespine Stickleback
Pungitius pungitius (Linnaeus, 1758)
Pungitius pungitius, the ninespine stickleback, is a small fish distinguished by 7–12 dorsal spines, found across much of North America and Eurasia.
Fourspine Stickleback
Apeltes quadracus (Mitchill, 1815)
Apeltes quadracus, the fourspine stickleback, is the only species in the monospecific stickleback genus Apeltes.
Brook Stickleback
Culaea inconstans (Kirtland, 1840)
Culaea inconstans, the brook stickleback, is a small North American fish ranked vulnerable by the Nature Conservancy.
Sea Stickleback
Spinachia spinachia (Linnaeus, 1758)
Spinachia spinachia, the fifteen-spined stickleback, is a small fish native to the northeastern Atlantic coastal waters.
Related Families
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