Threespine Stickleback Gasterosteus aculeatus Linnaeus, 1758    
Kingdom Animalia   >   Phylum Chordata   >   Class Actinopterygii   >   Order Gasterrosteiformes   >   Family Gasterostedae   >   Genus Gasterosteus   

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A Threespine Stickleback caught in Anne Arundel Co., Maryland (2/5/2001). Photo by Alicia Young Conner. (MBP list)

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