Endler Ark offers 30 color varieties of pure-blooded endlers. The endler (Poecillia Wingei) is a sub-species of common guppies (Poecillia Reticulata).  Males have naturally evolved a stunning assortment of iridescent colors to be noticed while courting females.  Limitless color variations lends to great genetic diversity.  Unique adaptations along with peaceful disposition make endlers perfect aquarium fish for beginners and advanced hobbyist.