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Red-Eyed Crocodile Skink Red-Eyed Crocodile Skink

Red-Eyed Crocodile Skink

 Equipment for Tokay Gecko (Gekko gecko)

 Either of the Exo-Terra Glass terrariums will be good.

90 x 45 x 45 cm
36” x 18” x 18” (WxDxH)
90 x 45 x 60 cm
36” x 18” x 24” (WxDxH)

or Vivarium AX36
Lighting: For the PT2614 Terrarium: PT-2228 Compact Fluorescent Terrarium Canopy.
2 x Exo Terra Repti Glo Compact Fluorescent bulb and 2 x PT-2102 Sun Glo Neodymium Daylight Lamp T10/25W.
For the Ax36 vivarium: ACR30 Arcadia IP64 Dry Vivarium Controller 25/30W. PT-2152 Exo Terra Repti Glo 2.0 (30")25 Watt
Heating:  For the PT2614 Terrarium: PT-2045 Ceramic Heat Emitter Heat Wave Lamp 60W.
Royce Ceramic Lamp Holder. Habistat Pulse Proportional Thermostat.
For the Ax36 vivarium: PT-2045 Ceramic Heat Emitter Heat Wave Lamp 60W.
Exo Terra Glow Light Habistat Pulse Proportional Thermostat
Substrate: Orchid Bark. Highland Moss
Décor: Plenty of  Plants PT-3040 – 3052.,
Pool Bark Effect Medium
Hygrometer (Humidity meter)

Red-Eyed Crocodile Skink (Tribolonotus gracilis) )


The Red-eyed Crocodile Skink is a small fossorial lizard from a tropical rainforest climate that can reach a total adult length of 8" (19 cm).
The body scales are rough, with three hard, spiky projections running along their back down to the tip of the tail. The eyes are unique with a red/orange ring around the eye socket and yellow in the corner of the eye.
Sexing of Red Eyed Crocodile Skinks is difficult. A close inspection of the underside will show a section which looks like a belly button. Males tend to have larger scales in this area compared to females.
Ease of care for this lizard is average (compared to other lizards).

They are native to Indonesia and have been collected from Irian Jaya and Papua New Guinea. Red Eyed Crocodile Skinks live in moist areas close to water.

Basic Care

The Red-eyed Crocodile Skink is insectivorous, meaning he eats insects. Feed this lizard a variety of
live foods like crickets, locusts, wax worms, mealworms and feeder roaches. Young should be fed daily and adults every two to three days. Dusting of the live food is recommended to ensure your skink has all the vitamins and minerals it requires. Dust at least three times a week for youngsters and once a week for adults.

Heat and light:
This crepuscular lizard needs a heat lamp during the day to create a warm basking area and in some cases, a 24-hour light-less heat source to maintain the ambient temperature in his environment. Full-spectrum (UVA/UVB) light may also be beneficial. Daytime light and heat requirements can be achieved by using a spotlight in conjunction with a full-spectrum fluorescent tube (i.e. Exo Terra 5.0). A night-time heat source usually isn´t needed, except during the winter if the temperatures in your home go below the recommended night time temperature. If one is needed, infrared lamps or ceramic emitters can be used.

The Red-eyed Crocodile Skink prefers a basking area of 89°F (32°C) with an overall ambient temperature of 82°F (28°C) and a cool area of 75°F (24°C). Most important to note are the basking area and the cool area; usually, when those temperatures are maintained, the overall ambient temperature will usually also be within the proper range. Night time temperature should not go below 72°F (22°C). Your lizard can die if he gets too hot or too cold!

The Red-eyed Crocodile Skink needs an enclosure that is at least 90 x 45 x 45cm (LWD) , like the Exo Terra Terrarium PT-2613 which will house a pair. Because of his fossorial nature, he needs an enclosure with plenty of floor space, equipped with hiding areas and substrate for burrowing. His enclosure will also need at least two thermometers, one to monitor the basking area and one to monitor the cool end of the enclosure. A hygrometer is also recommended to measure the ambient humidity level. The recommended humidity level for this lizard is 80 -100%.

When setting up your Red-eyed Crocodile Skink´s environment for the first time, you will need to take several temperature readings in several areas of the enclosure and make any adjustments to heat sources if necessary. For this reason, all heat sources should be placed on a rheostat or lamp dimmer. Once the heat sources are set up properly, you need to install a thermometer both in the coolest area and the warmest (or basking) area so that you can monitor any temperature fluctuations.

Finally, your Red-eyed Crocodile Skink needs a large but shallow water dish, as these lizards love to swim and soak in the water. They are also extremely prone to dehydration and shedding problems. Various mosses, cypress mulch and/or cocoa bedding will also help raise humidity and make for a more natural-feeling environment for your lizard. The substrate needs to be 2–3” deep.

These are very shy, secretive lizards that do not like being handled too often, but some individuals settle down over time with brief daily handling sessions. Often called “tribs” or “tribbies” due to their scientific name. The only lizards other than geckos that can vocalize and they make a little squawking sound when startled or restrained. They sometimes “play dead” when held, so convincingly that some people have thrown them away thinking they really were dead! Be careful when holding them while outside of their enclosure, they are easily startled and sometimes jump right out of your hand to go sailing through the air into the great unknown.
John Gamesby
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