What could cause a brown vertical line and horizontal ridges on one side of only one fingernail? Dr. Richard Zimon Dr. Zimon More info needed: Sounds like you damaged the nail bed at some point in time.
As tigers are related to cats it would mean that mean that they are feline. A canine is a dog so tigers aren't canine. 2 people found this useful.
Most of the tigers today can only be found in zoos or reservations, behind bars and given the task of renewing a population. Meet the big members of the felidae family, the genus Panthera.