The black panther is in fact the color variant on the leopard (Panthera pardus) along with the jaguar (Panthera onca). Black panthers of both equally species have extra black pigments, but their regular rosettes can also be present. It’s just that they can no longer be very easily noticed. From https://wearethelist.com/story20907138/what-does-how-much-does-a-black-panther-cost-mean