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Scutes on a crocodile. Reptile skin is covered with scutes or scales which, along with many other characteristics, distinguish reptiles from animals of other classes. They are made of alpha and beta-keratin and are formed from the epidermis (contrary to fish, in which the scales are formed from the dermis).
Ctenosaura similis, commonly known as the black iguana [3] or black spiny-tailed iguana, is an iguanid lizard native to Mexico and Central America. It has been reported in some Colombian islands in the Caribbean Sea and Pacific Ocean, and has been introduced to the United States in the state of Florida .
A male green iguana. Iguana (/ ɪ ˈ ɡ w ɑː n ə /, [4] [5] Spanish:) is a genus of herbivorous lizards that are native to tropical areas of Mexico, Central America, South America, and the Caribbean.
Ctenosaura pectinata is a species of moderately large lizard in the family Iguanidae. The species is native to western Mexico. The standardized English name is the western spiny-tailed iguana. [4]: 58–59 p. However, an earlier edition of standardized names applied the name Mexican spinytailed iguana to Ctenosaura pectinata. [5]: 46 p.
The rhinoceros iguana (Cyclura cornuta) is an endangered species of iguana that is endemic to the Caribbean island of Hispaniola (shared by Haiti and the Dominican Republic) and its surrounding islands. A large lizard, they vary in length from 60 to 136 centimetres (24 to 54 in), and skin colours range from a steely grey to a dark green and ...
The blue iguana (Cyclura lewisi), ... Although skin color is a variable characteristic that is usually considered unsatisfactory in taxonomy, Burton thought that in ...
The typical life span of the Ctenosaura melanosterna, given the individual is healthy and dies from natural causes, is approximately 8 years. [3] According to the International Iguana Foundation, male black-chested spiny-tailed iguanas in Cayos Cochinos average anywhere from 9.5-12.5 inches and weigh anywhere from 1.3-3.1 pounds. [4]
The smooth helmeted iguana is a medium-sized lizard with long slim legs and very long toes. It can be grey, olive, brown, black or reddish-brown with irregular blotches. [6] The smooth helmeted iguana can change the color of its skin as a method of camouflage. As indicated by its name, the smooth helmeted iguana has a prominent crest on its ...