Amazon Milk Frog - Trachycephalus resinifictrix-


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Defining Characteristics: Great beginner Tree Frog | Can be Handled Infrequently | Bold | Easy to Keep | Moderately lout Call | Large | Can be kept in groups


Name: These frogs are most commonly called ‘Amazon Milk Frogs‘ presently, due to the milky white secretions that are released from the frog’s back when threatened (this rarely occurs with captive bred animals). In the past, Amazon Milk Frogs have also been called Amazon Cave Frogs, and Gold Mission Frogs, due to black markings on their eyes that resemble crucifixes. The Amazon Milk Frog's scientific name is Trachycephalus resinifictrix.


Recommended Terrarium Size: Being large frogs, Amazon Milk Frogs require a large enclosure. A 29g aquarium or 18x18x24 Terrarium is a good sized enclosure for 2-4 Amazon Milk Frogs. The enclosure should provide plenty of perching areas, such as wood branches or vines, as well as live plants or fake plants. A large water bowl is a necessity. Josh’s Frogs offers Complete Tree Frog Kits that are perfect for Amazon Milk Frogs. For younger Amazon Milk Frogs, moist paper towel or long fiber sphagnum moss is preferred. Adult Amazon Milk Frogs can also be kept above water instead of a substrate. All substrate should be changed frequently. Amazon Milk Frogs are big frogs, and as such, can make a big mess. Water bowls should be cleaned daily and scrubbed out with hot water. Change the substrate at least once a week, and clean the enclosure and decor with a 5% bleach solution. If paper towel is used as a substrate, it should be cleaned daily.


Temperature: Amazon Milk Frogs can tolerate temperatures between 70-85F, and seem very tolerant of temperature swings. Ideally, keep Amazon Milk Frogs in the mid/high 70s. A 5-10F temperature drop at night is ideal. A good Thermometer and Hygrometer is recommended to keep track of environmental conditions.


Humidity: In the wild, precipitation and humidity fluctuates based on season, with a heavy rainy season in the early part of the year. Adult Amazon Milk Frogs can handle a wide range of humidity levels, but prefer humidity levels around 50-70% with plenty of ventilation/air movement. Young Amazon Milk Frogs do much better with 70-80% humidty, and some air movement. Moist, stagnant air is a big no-no with milk frogs, while very young animals dry out easily. Routine spraying and a full screen top will aid in providing proper humidity levels. Some keepers elect to keep Amazon Milk Frogs over water to aid in maintaining humidity.


Size: Adult Amazon Milk frogs can measure from 3” to 5”, with females being larger than males. Amazon Milk Frogs will continue to grow throughout their lives, and older animals can be quite large. The amazon milk frogs sold by Josh’s Frogs measure about 1″ long, and are eating 1/4″ crickets.


Age: Captive life span of the Amazon Milk Frog is unknown, but suspected to be in the 5-10 year range, based on experience with similar species. Amazon milk frogs are 8-12 weeks old when sold by Josh’s Frogs.


Feeding: Amazon Milk Frogs are voracious eaters, consuming anything that moves and fits into their mouth. A staple diet of appropriately sized crickets is a great place to start. Add other feeder insects such as wax worms, roaches, horn worms, and meal worms, with the occasional pinky mouse appreciated. All feeder insects should be dusted with the proper vitamin/mineral supplement. Josh’s Frogs sells amazon milk frogs that are eating 1/4″ crickets.


Sexing: Amazon Milk Frogs are generally sexable by 8-10 months of age. Females are larger and more rotund, while males display a stretched, faint gray throat from calling. Males also develop slightly swollen nupital pads on their front feet which aid in holding on to the female - these are typically visible during the breeding season. Josh's Frogs sells 2-3 month old Amazon Milk Frogs that are unsexable.


Color/Pattern: Amazon Milk Frogs start out life at gray froglets with black and white banded legs. After a couple weeks, this gray body changes into a contrasting white and black banding pattern. After 6-8 months, the black bands may expand and become more of a gray color. A slight tan/brown color may sneak in on older animals. Milk frogs have a bright blue mouth. The area around their nostrils and toes can appear blue, as well.


Social Behavior: Amazon Milk Frogs do great in groups. Overly amorous males may harass females on occasional, but Amazon Milk Frogs typically coexist peacefully in groups.


Breeding: Amazon Milk Frogs are not exceptionally difficult to breed, but can be difficult to breed consistantly. Seasonal cycling, coupled with a large water volume and heavy feeding, can encourage breeding. Each female will lay between 300-1000 eggs, which quickly develop into voracious tadpoles that eat A LOT! After about 2 months in the water, the tadpole morph into dime to penny size froglets, which are initially gray in color.


Natural Range: Brazil, Colombia, Venezuela, Trinidad, Tobago, French Guiana, British Guyana, Ecuador, Peru, and Bolivia. Basically, Amazon Milk Frogs can be found throughout the Amazonian Basin, below 800m in elevation.


History in the Hobby: Amazon Mik Frogs are fairly well established in the US Herp hobby. Captive bred relatively frequently, milk frogs can be difficult to locate for sale at times, but are generally available several times a year at Josh's Frogs. Our stock comes from private hobbyists and zoos from around the world. Our breeders are 2-4the generation captive bred.


A Special Note on Shedding: All frogs and toads shed, but they don't always do it in public! Amazon Milk Frogs are not shy about it whatsoever, and will typically shed at least once a week. They'll develop a shiny appearance for a few hours, before using their legs to peel off the old skin, then eat it. During this time, the milk frog will generally hang out at the bottom of the tank. Do not be alarmed - this is completely normal behavior, even though it looks a little strange!


Links of Interest:

Wikipedia – Amazon Milk Frog natural history and information.

Amphibian Care – Good Amazon Milk Frog Caresheet by Devin Edmonds, a very accomplished frog hobbyist and researcher.

WAZA – World Association of Zoos and Aquariums information on Amazon Milk Frog classification and natural history.

ZooLogic – UK Amazon Milk Frog caresheet that discusses one of the first early Amazon Milk Frog breeding successes.

RepticZone – very basic care sheet on Amazon Milk Frogs.


Still not sure if Amazon Milk Frogs from Josh's Frogs are the right pet frog for you? Read the reviews below and see what other customers are saying! Then, make sure to check out our more in depth Amazon Milk Frog Care Sheet!

Not sure how to care for Amazon Milk Frogs? Read the following care sheet on Amazon Milk Frogs, written by the experts at Josh's Frogs!

< p>Amazon Milk Frog Care Sheet

< p>In need of a habitat or products to care for Amazon Milk Frogs? Check out our Tree Frog Complete Care Kits!

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.

Read What Others Are Saying:

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My 2 lil milkies update. Review by Desiree
Panda and Baby Girl (my children named them) are doing great. I got them on the 25th of April. They are still a little shy.. which is expected. I haven't seen them eat but I do put their food in the terrarium so I'm sure they have been. Cant wait to see them get bigger though and more active, right now there kind of lazy :)
I did have a few questions for Josh's Frogs and they ALWAYS got back to me and had great advice.
Would buy from them again. (Posted on 5/1/2017)
My 2 lil Baby Milkies :) Review by Desiree
There are doing great just got them today. Still getting used to their new home but they are beautiful! I couldn't be any happier. (Posted on 4/25/2017)
Love the Milk Frog. Review by Mark
Love the Milk Frog. Doing very well. Nice and healthy and very entertaining. I'm fortunate to live close enough to Josh's Frogs that I can pick up my orders. I'm unfortunate enough to have seen the Exo Terra Habisphere's in the office and I'm pretty sure I'm going to have to have one. Great Staff! Looking forward to placing my next order.

Thanks Josh's Frogs (Posted on 9/24/2016)
Love my new hoppers ! Review by Heather
I searched for so long for some Amazon Milk Frogs and of the dozens of sites online , Josh's Frogs were the first ones to have them available. I ordered three and they all came so well packaged, right on time, and in great health! So excited that I was able to finally get my dream frogs :) (Posted on 7/16/2016)
Milk frogs Review by Mathew
I bought everything for my frog from Josh's frogs, except my tank, but I wish I would of cause they have complete care kits that at awesomely priced. They were at the Baltimore Repticon on May 28th and we're the only ones to have amazon milk frogs, he is super cute and loves his new enclosure! The staff are knowledgeable about all the products they sell and give great advice on how to care for them. Thank you zack, for all your advice. I will be ordering all my frog needs from joshs frogs! (Posted on 6/6/2016)
Very Healthy babies!! Review by Dawn
Bought 3 babies for Christmas. They arrived quickly and healthy. They've grown so fast!! (Posted on 5/16/2016)
Cute little Milkies! Review by G
So happy I found these little guys from Josh's Frogs!
This is the first time I have tried Milkies and so far so good.
They arrived VERY well packed. They are a little smaller than nickels. Upon their first night home, they ate several small/pinhead crickets.
They seem to do being well.
I look forward to watching them eat and grow, eat and grow!
Thanks Josh's Frogs! (Posted on 1/8/2016)
Healthy, plump, and adorable! Review by Sue
I love that the staff at Josh's Frogs takes such good care of these little cuties. They were very carefully packaged and arrived at my door within 10 minutes of the estimated time, in perfect condition. Everything I have ordered has arrived clean, healthy, and in great condition, from insects to plants, to frogs. Josh's Frogs is top in their field and obviously they all care very much about their products. (I love you so much, can I have a job?) (Posted on 12/18/2015)

8 Item(s)

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