Gasterosteus aculeatus

three-spined stickleback
Wikipedia Entry
Three-spined stickleback
Wikispecies Entry
Gasterosteus aculeatus
Kingdom
Animalia
Phylum
Chordata
Class
Actinopterygii
Order
Gasterosteiformes
Family
Gastrosteidae
Genus
Gasterosteus
Species
aculeatus