Vietnamese Mossy Frog - Theloderma corticale (Captive Bred CBP)-


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Defining Characteristics: 

  • Uncommon in Captivity
  • Green and Red Coloration
  • Mimics Moss
  • Bold
  • Easy to Breed
  • Moderately Loud Call
  • Great in Groups
  • Nocturnal


Name: Theloderma corticale, also known as the Vietnamese Mossy Frog. Literally translating to 'Nipple Skin', the genus Theloderma is known for their unusual, bumpy texture.

 Certified Breeder Program: These Mossy frogs were procured via our Certified Breeder Program. This certification process will allow us to bring a wider variety of healthy, captive bred animals to you, our customers. We stand behind these animals just like any animals bred at our facility. Besides the fact we’ll be offering more animals, what do you need to know about Josh’s Frogs Certified Breeder Partnership? You need to know these animals are from people with the same approach to animal keeping and breeding that we do, are disease free, and most importantly captive bred! To learn more, please read our blog on the Josh's Frogs Certified Breeder Program. These specific frogs were bred in the UK, and were part of our first import from Europe. They show very variable patterns.

Recommended Vivarium Size: A 20L or 29g gallon aquarium is suitable for 2-4 Vietnamese Mossy Frogs, but Josh's Frogs recommends a large aquaria or 24x18x18 Exo Terra Glass Terrarium, as it will allow for easier cleaning. For 1-2 animals, an 18x18x18 Mossy Frog Complete Kit is a great way to provide your pet mossy frogs with exactly what they need.


Temperature: Theloderma corticale can tolerate a temperature range of 50 F to the high 70s F, but prefer temperatures in the high 60s to low 70s are ideal. Temperatures over 80F are dangerous.


Humidity: Like most frogs, Vietnamese Mossy Frogs prefer a humidity range of 70 – 100%, but can tolerate humidity down to 50% for short periods of time if the frogs have access to water. Low humidity levels, especially without access to water, can quickly be fatal. Theloderma corticale is a fairly aquatic frog, easily spending most of it's time at the water's edge, or even underwater.


Size: Adult female Theloderma corticale are larger, measuring in at approximately 3.5-4 inches. Male Theloderma corticale are a bit smaller, averaging about 2.75-3.25 inches at maturity. Vietnamese Mossy Frogs tend to sex male heavy - this is possibly linked to the temperatures tadpoles are raised at.


Age: Theloderma corticale is capable of living over 5 years in captivity under ideal conditions. This species is fairly uncommon in the hobby, and actual longevity expectations are varied. I spoke with a zookeeper that implied their mossy frogs were over 15 years old! The Theloderma corticale sold at Josh's Frogs are 2-3 months old.


Feeding: At Josh's Frogs, we feed our Vietnamese Mossy Frogs dusted crickets. At 3/4", juvenile mossy frogs can easily take 1/8" crickets, and even 1/4" crickets! Adults can consumer adult" crickets. Make sure to dust all prey items with a quality vitamin/mineral supplement. We place the crickets in floating food bowls in the Theloderma corticale habitat, to prevent crickets from drowning and fouling the water. To learn more about feeding these frogs, please watch our video on How to Feed Reed Frogs. We use the same technique with Theloderma corticale.


Sexing: Theloderma corticale is not sexable until 6-8 months of age, and sometimes younger. Male Vietnamese Mossy Frogs tend to be a bit smaller than females, which often appear both longer and wider. Males tend to have a red nuptial pad on the inside of each front foot, that is bright red and swollen during breeding season, which can occur year round. Males also have a soft, hooting call, similar to an owl. Females appear very round at maturity, as they seemingly always are producing eggs. Wait until you see eggs before identifying a frog as a female.


Color/Pattern: Theloderma corticale is a very contrasting frog when young, resembling it's sister species Theloderma bicolor. Froglets have a distinct red and green patteron on their back, which dulls with age.


Social Behavior: Theloderma corticale do well housed in groups their entire life, as long as enough space is provided. While mossy frogs can breed in a pair just fine, Josh's Frogs recommends purchasing multiple frogs if you are interested in breeding them. Mossy frogs breed great in groups.


Breeding: Theloderma frogs can be a challenge to breed - they either breed like rabbits, or do not breed at all! Still quite uncommon in the hobby, Theloderma corticale is a tree hole breeder. They prefer to lay eggs above water filled tree holes in dead trees, where the tadpoles drop down into the water below. These tree holes are often rather disgusting as far as water quality goes, and are filled with nutritious insect larvae.


Natural Range: The Vietnamese Mossy Frog is native to northern Vietnam and China.


History in the Hobby: Theloderma corticale is slowly becoming more common in the US herp hobby, but is still very scarce. Very few hobbyists produce Vietnamese Mossy Frogs on a regular basis, as females are so rare.


Links of Interest:

Vietnamese Mossy Frogs - Wikipedia

Reptiles Magazine - The Mossy Frog


Still not sure if Vietnamese Mossy Frogs from Josh's Frogs are the right frog for you? Read the reviews below and see what other customers are saying!

Shipping for any number of frogs is just $39.99. Frogs are shipped via FedEx Priority Overnight and are delivered by 12:00 pm to most locations, Tuesday through Friday. Josh's Frogs does not ship frogs internationally. Scheduling of frog order is dependant on your availability and weather.


Please respond to our Frog Shipping Email, to ensure you will be there to receive the animals when they arrive. We'll email back to confirm after checking your local weather conditions.


We can ship directly to your address, as long as your local overnight low temperature is above 39F the night of shipping, and your high temperature is below 91F at noon on the day of arrival. If your overnight lows are below 40F but above 29F, Josh's Frogs can ship to your closest FedEx Staff Location that accepts Hold for Pickup packages. If your high temperature is over 90F at the guarantee 'delivered by' time (typically 12pm), Josh's Frogs can ship to your closest FedEx Staff Location that accepts Hold for Pickup packages. If your overnight low is below 30F, Josh's Frogs retains the right to hold frog shipping until temperatures increase due to safety concerns. We will hold the frogs at our facility for any length of time necessary to ensure that the frogs you order are received in the best of health. This policy is designed with the best interests and health of our animals at heart!


To find your nearest appropriate FedEx location, click here and follow the instructions below:

  • Enter your zip code in the top search box.

  • Click the Filter button.

  • Check Staffed Location.

  • Expand Additional services, and check the Hold package at location for pickup box.

  • Close the filter box and search for locations.


FedEx's website will display the nearest locations where you may pick up your frogs. We'll look up the locations for you when you call to schedule frog shipping. You do not need to check your temperature before ordering frogs - Josh's Frogs will take care of this when contacted about scheduling shipment. Frog orders require contact from our customer prior to being shipped out, to ensure you will be there to receive the animals when they arrive, and to check your local weather conditions.


Shipping for any number of frogs is a flat rate $39.99. This includes postage, a box with 1" styrofoam insulation, gel packs, heat/ice packs and/or phase 22 panels if necessary. Josh's Frogs has been shipping frogs since 2004 and has shipped thousands of animals safely. We have a special contract with UPS to ship live animals directly to residential addresses and guarantee live arrival as long as our Live Arrival Conditions are met.

Josh's Frogs guarantees the Health & Live Arrival of all frogs.

< p>All frog shipments are sent via FedEx Priority Overnight. Josh's Frogs guarantees that all frogs will arrive alive and in good health, provided that temperatures on day of arrival do not exceed 85 degrees before the frogs are delivered to home or business address, or nearest FedEx location. Temperatures during transit do not drop below 40 degrees for delivery to home or business address. Temperatures during transit do not drop below 30 degrees for pickup at the nearest FedEx location. Someone is there to accept the package on first delivery attempt, or package is picked up by noon the day of arrival if package is held at a FedEx location for pickup. Failure to meet these guidelines will void Josh's Frogs Live Arrival and Health Guarantee.

< p>If frogs arrive deceased or in poor condition, Josh's Frogs requires that the customer notifies us of the condition of the animal(s) within 1 hour of arrival via email at, or at (800) 691-8178. Picture(s) of the animal(s) must be sent by 4pm EST day of arrival to Failure to meet these guidelines will void Josh's Frogs Live Arrival and Health Guarantee.

< p>Josh's Frogs offers a 3 day health guarantee on all animals purchased from Josh's Frogs. If animal(s) purchased arrive in good shape but fail to thrive within 3 days, Josh's Frogs requires that pictures of the animal(s) and their habitat is emailed to within 3 days of the animal's arrival. When emailing the pictures, please include relavent habitat information, such as average humidity and temperature. A Josh's Frogs representative will then contact the customer and discuss poison dart frog care. Failure to meet these guidelines will void Josh's Frogs Live Arrival and Health Guarantee.