Black tetra
Fish
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The black tetra, also known as the black skirt tetra, petticoat tetra, high-fin black skirt tetra, black widow tetra and blackamoor, is a freshwater fish of the characin family. Wikipedia
Scientific name: Gymnocorymbus ternetzi
Class: Actinopterygii
Domain: Eukaryota
Family: Characidae
Genus: Gymnocorymbus
Kingdom: Animalia
Order: Characiformes