Esox niger
species of fish
Domain: Eukaryota • Regnum: Animalia • Phylum: Chordata • Subphylum: Vertebrata • Infraphylum: Gnathostomata • Cladus: Osteichthyes • Classis: Actinopterygii • Ordo: Esociformes • Familia: Esocidae • Genus: Esox • Species: Esox niger
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