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.
It is true that domestic cats are related to lions, but only distantly. In fact lions are more closely related to tigers than your average house cat.Domestic cats and lions and other bigger cat species are in different subfamily, but still fall under the family Felidae.t is true that domestic cats are related to lions, but only distantly. In fact lions are more closely related to tigers than your average house cat.