yes they do mate but it all depends whut animal they want to mate with because they want more panthers alive so they become unendangered because they are an endangered species right now

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I don't know if I am supposed to only correct the answer above but it was much easier and somewhat necessary to start over rather than delete it all together.

No offense to whomever answered before me, however, I will try to give a more accurate and correct answer to the actual question:

Q: 'Do black panthers mate for life?'

A: No. They're together only to mate.

OTHER INFO: In fact, the black panther is very solitude and an extremely stealth creature. The reason they were nicknamed, 'the ghost of the forest'. Other than a female and her cubs, or mating pairs together only during the breeding season, these animals seldom stay together. Each of them lives and hunts by themselves. When needed they communicate through signs and vocalization, mainly used for signaling a mating partner or to maintain where their 'home range' (or territory) is.

Also, adult black panthers are more temperamental, less fertile and more inbred than their 'normal colored' relatives. In the struggle to not become instinct, the black panthers' inbreeding has caused some genetic deformities, one of which is their beautiful jet black color. Melanism, or dark markings, turns into pseudomelanism (when the dark markings/melanism overlap to the point of being indistinguishable) and is, in part, the explanation of the color variation between them and their lighter colored big cat relatives.