Leachianus Gecko Care: The Ultimate Guide for Reptile Enthusiasts

TL;DR: Leachianus geckos (Rhacodactylus leachianus) are the world's largest gecko, with Grande Terre individuals reaching up to 14 inches and Rhum geckos around 6–8 inches, both native to New Caledonia's tropical forests. They need tall arboreal enclosures with humidity-retentive substrate, temperatures of 72–80°F, and a diet of commercial crested gecko diet (CGD) supplemented with live insects. Despite their large size and intimidating appearance, leachianus geckos are known for their docile, handleable temperament.

Leachianus geckos (Rhacodactylus leachianus) are one of the largest and most fascinating geckos available to reptile enthusiasts. Native to New Caledonia, these geckos are known for their distinct patterns, gentle temperament, and relatively low maintenance. However, they do have specific care requirements to keep them healthy and happy. In this guide, we'll cover everything you need to know about leachianus gecko care, from setting up their enclosure to feeding and handling.

Leachianus Gecko (Rhacodactylus leachianus)

Leachianus geckos are native to the tropical forests of New Caledonia, an archipelago in the South Pacific. These geckos are divided into two main types: the Grande Terre and the Rhum. Grande Terre geckos are larger, reaching up to 14 inches in length, while Rhum geckos are smaller, typically around 6-8 inches. Both types have unique patterns and are known for their docile nature, making them popular pets among experienced and novice keepers alike.

Leachianus Gecko Shopping List

Before bringing home your leachianus gecko, you'll need to gather some essential items to ensure they have a comfortable and healthy environment. Here’s a shopping list to help you get started:

• Enclosure: (Estimates only — actual prices on Amazon may vary.) A large terrarium that provides ample space for climbing and hiding. Terrariums
• Substrate: A humidity-retentive substrate such as coconut fiber or cypress mulch. Substrate options
• Furniture: Branches, cork bark, and live or artificial plants for climbing and hiding. Terrarium furniture
• Lighting: UVB and heat lamps to mimic their natural environment. UVB bulbs
• Thermometer and Hygrometer: To monitor temperature and humidity levels. Temperature and humidity monitors
• Feeding Supplies: Calcium and vitamin supplements, and a variety of insects. Feeding supplies
• Water Source: A shallow water dish or a misting system. Water dishes
• Supplements: Calcium, vitamin D3, and multivitamin supplements. Supplements

Leachianus Gecko Enclosure Size

Minimum Terrarium Size for Leachianus Geckos

A leachianus geckorequires a spacious enclosure to thrive. For a single gecko, the minimum terrarium size is 18x18x24 inches. This size allows them to climb, explore, and find hiding spots. If you plan to keep multiple geckos, increase the enclosure size to accommodate each additional gecko.

Lighting & UVB for Leachianus Geckos

Do Leachianus Geckos Need UVB?

While many keepers debate whether leachianus geckos need UVB lighting, providing it is highly recommended. UVB helps them synthesize vitamin D3, which is essential for calcium absorption and overall health. Use a T5 or T8 UVB bulb designed for rainforest geckos, and replace it every 6-12 months to ensure it remains effective.

Leachianus Gecko Temperature Requirements

Best Temperature for Leachianus Geckos

Leachianus geckos are nocturnal and prefer a cooler environment. The ideal temperature range for their enclosure is 72-78°F (22-25°C) during the day, with a slight drop to 68-72°F (20-22°C) at night. Use a basking spot of around 80°F (27°C) for a small area. You can achieve this with a low-wattage heat lamp or heating pad placed on one side of the enclosure.

Leachianus Gecko Humidity Requirements

Best Humidity Levels for Leachianus Geckos

Maintaining the right humidity is crucial for the health of your leachianus gecko. The ideal humidity range is 60-80%. You can achieve this by misting the enclosure once or twice a day, using a humidifier, or placing a large water dish inside. Ensure there are dry areas for your gecko to retreat to if they need to.

Leachianus Gecko Substrate Options

Choosing the right substrate is important for both the health and comfort of your leachianus gecko. Here are some substrate options that work well:

• Coconut Fiber: This substrate retains moisture well and is safe for geckos to ingest in small amounts. Coconut fiber
• Cypress Mulch: Another excellent choice that holds humidity and is easy to clean. Cypress mulch
• Bioactive Setup: This involves creating a living, self-sustaining environment with live plants, springtails, and isopods. Bioactive substrate

Avoid substrates like sand, gravel, or any that can cause impaction if ingested.

Decorating Your Leachianus Gecko Terrarium

Creating a natural and enriching environment is key to keeping your leachianus gecko happy. Here are some ideas for decorating their terrarium:

• Branches and Vines: These provide climbing opportunities and help mimic their natural habitat. Branches and vines
• Cork Bark: Cork bark can be used to create hiding spots and resting areas. Cork bark
• Plants: Live or artificial plants add aesthetic value and provide cover. Artificial plants
• Shelters: Place multiple hide spots throughout the enclosure, including a humid hide. Humid hides
• ** ornaments**: Add natural-looking ornaments to make the terrarium more appealing. Reptile ornaments

Feeding Your Leachianus Gecko

Leachianus Gecko Food

Leachianus geckos are omnivores and require a balanced diet of insects and commercial gecko diets. Here’s a feeding schedule to follow:

Diet Recommendations

• Insects: Offer a variety of insects to ensure a balanced diet. Gut load the insects before feeding to provide additional nutrients. Gut load food
• Commercial Diets: Opt for high-quality commercial diets designed for geckos. Crested gecko diet
• Fruits: Stick to non-citrus fruits and avoid overfeeding. Fruits should be a small part of their diet.

Handling Your Leachianus Gecko

Leachianus geckos are generally docile and can become quite tame with regular handling. However, it's important to handle them gently and avoid stressing them out. Here are some tips:

• Start Slow: Begin handling your gecko for short periods and gradually increase the duration as they become more comfortable.
• Support Their Body: Always support your gecko’s body and avoid holding them by the tail or limbs.
• Avoid Sudden Movements: Sudden movements can startle them, so handle them calmly and gently.
• Regular Interaction: Handle your gecko regularly to build trust and reduce stress. Handling tips

Regular Health Checks

To ensure your leachianus gecko remains healthy, perform regular health checks. Look for signs of illness such as lethargy, loss of appetite, abnormal swelling, or labored breathing. If you notice any issues, consult a reptile veterinarian immediately.

Common Health Issues

Like all reptiles, leachianus geckos can face various health issues. Here are some common ones to watch out for:

• Respiratory Infections: Often caused by improper humidity levels. Symptoms include sneezing, wheezing, and gaping.
• Metabolic Bone Disease (MBD): Caused by calcium deficiency. Ensure a proper diet and supplement with calcium and vitamin D3.
• Skin Infections: Can occur if the enclosure is too humid or not cleaned regularly. Maintain a clean environment and appropriate humidity levels.

Breeding Leachianus Geckos

If you’re interested in breeding leachianus geckos, it’s important to understand the basics. Breeding requires a specific setup and conditions to ensure the health of both the parents and the offspring. Here are some key points:

• Sexing: Leachianus geckos are difficult to sex. Males have a more prominent bulge at the base of the tail. Sexing geckos
• Breeding Setup: Provide a larger enclosure with multiple hide spots and a humid area for egg-laying. Breeding setup tips
• Egg Care: Eggs should be incubated at a temperature of 78-82°F (25.5-27.7°C) and a humidity of 60-70%. Incubation setup

Conclusion

Leachianus geckos are rewarding pets that require specific care to thrive. By providing a suitable enclosure, proper lighting and temperature, appropriate humidity, and a balanced diet, you can ensure your gecko lives a long and healthy life. With regular handling and attention, you’ll also build a strong bond with your pet. Happy keeping!

References

• ReptiFiles Leachianus Gecko Care Sheet
• DubiaRoaches Leachianus Gecko Care Guide
• ReptiFiles Product Review: Blue River Diets Crested Gecko Diet
• Joshua P. Snyder: The Autecology of Rhacodactylus auriculatus

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