Two skink tank mates can be kept in a 10-gallon enclosure as long as both skinks are female or one is male and the other a female. If you are planning to keep three or four, your tank should be a minimum of 20-gallons. They are not huge climbers but will climb low lying branches and decor. We recommend at least 30" x 12" tank or a 18" x 18". Red eyed croc skinks come from moist, cool places in New Guinea. Enclosure Red-Eyed Crocodile skinks are easily maintained in 10-gallon or 20-gallon glass aquarium or other enclosures of a … Adults however are solid dark reddish brown with bright orange around the eyes giving them a striking appearance. These red-eyed crocodile skinks are at birth around 2.5 inches long. Red Eyed Crocodile Skink Tribolonotus gracilis. Floor space is more important than height in your skink's enclosure. They have stout bodies with four rows of pointed scales along their back. Red-Eyed Crocodile are generally maintained in 10-gallon or 20-gallon aquarium or other tank of similar size. A Red-Eyed Crocodile Skink does well in a glass enclosure that is a minimum of 10-gallons in size. Their eyes are ringed with bright red/orange scales, hence the name “red-eyed” crocodile skink. As adults, they measure 8 to 10 inches from the tip of the tail to the nose. A cage this size will be suitable for two skinks. Their average weight is around 36 to 45 grams. These rows of scales give them a crocodilian appearance. Juveniles are generally a dark brown with a white dorsal (back) stripe. They are native to Indonesia and the surrounding Islands. This species of skink is relatively small, with a maximum length of approximately four inches. A full-grown adult skink can be as long as 7 to 9 inches long from its tail to the tip of its nose. The Red Eyed Crocodile Skink reaches an adult size of 18 to 20cm head to tip of tail. Screen types are necessary for this species to maximize ventilation. The red-eyed crocodile skink gets its name from the red disk-shaped coloration around its eyes, and the four rowed dorsal scales, which altogether give a crocodile-like appearance.