Tortoiseshell Tortoiseshell Tortoiseshell or tortoise shell is a material produced from the shells of the larger species of tortoise and turtle, mainly the hawksbill sea turtle, which is an endangered species largely because of its exploitation for the material. The large size, fine colour and unusual form of the hawksbill's scutes make it especially suitable. The distinctive patterning is referred to in names such as the tortoiseshell cat, several breeds of guinea pig, and the common names of several species of the butterfly genera "Nymphalis" and "Aglais", and some other uses. Tortoiseshell was widely used from ancient times in the West
Turtle shell by its acronym SCUD. This disease is known to be caused by a variety of bacteria entering through some sort of abrasion, combined with poor animal husbandry. The disease is identified by its progression and what starts as ulcerative lesions of the plastron leads to a septacemic infection causing the degradation of the liver and other organs. Without treatment, this will lead to death. Ulcers of the shell may be superficial or deep, and may be termed "shell rot". Ulcers are generally a result of poor husbandry. Turtles with ulcerative shell lesions should be examined and treated by a veterinarian,