Crocodiles belong to the reptile group. their scaly-rough and hard skins are protective and safety parts for them to adapt into their habitats, either their natural environment or artificial surrounding. their sharp-pointed teeth and their thick arms are very sure and potentially capable of capturing their preys. their thick and bold tails are able to knock their enemies and preys down and could even inevitably paralyse them easily. their small glowing eyes are extremely focused and they are pretty sure of great alertness and ready to onslaught or respond aggressively. they are dangerous-pets because of their ability to strike before the person can react. however they are worth-rewarding. repeated patterns on the valuable-commercial skin.