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.
Hyaenidae and Felidae both belong to Feliformia which is monophyletic. Canidae is outside it and belongs to Caniformia with other groups such as Bears - Ursidae (Arctoidea). As such Hyaenas are more closely related to cats. The dog-like appearance is a result of convergent evolution.