Gasterosteidae
Gasterosteus aculeatus Linnaeus, 1758
Gasterosteus aculeatus Linnaeus, 1758
Gasterosteus aculeatus (three-spined stickleback) is a morphologically diverse Northern Hemisphere fish widely studied for rapid evolution and speciation.
Pungitius pungitius (Linnaeus, 1758)
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.
Apeltes quadracus (Mitchill, 1815)
Apeltes quadracus (Mitchill, 1815)
Apeltes quadracus, the fourspine stickleback, is the only species in the monospecific stickleback genus Apeltes.
Culaea inconstans (Kirtland, 1840)
Culaea inconstans (Kirtland, 1840)
Culaea inconstans, the brook stickleback, is a small North American fish ranked vulnerable by the Nature Conservancy.
Spinachia spinachia (Linnaeus, 1758)
Spinachia spinachia (Linnaeus, 1758)
Spinachia spinachia, the fifteen-spined stickleback, is a small fish native to the northeastern Atlantic coastal waters.
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