Sometimes, tortoiseshell cats may have tabby patterns in a single or both colors. A gray tortoiseshell cat or possibly a tortoiseshell tabby cat, named a torbie, can sometimes have a unique color pattern known as mackerel. If You aren't positive, it is possible to look at the average feline lifespan https://augustcxofv.ageeksblog.com/32344749/everything-about-tortoise-discogs