Madagascar Hissing Roach Care and Breeding




Gromphradorhina portentosa


Madagascar Hissing Roaches bear live young after a gestation period of about 60 days. The nymphs are born about a 1/4 inch in size and about 30 at a time. Adults live peaceably with the young, not harming them. The nymphs grow quickly and usually go though six molts, reaching adult size on the seventh. Nymphs can reach adult size in about 3 months if kept warm enough but usually would take five months or longer.

An adult Madagascar Hissing Roach can live and breed for 2 to 3 years or longer. Two to three broods a year would seem to be most common.

Housing can be a Rubbermaid type plastic bin or glass tank. Since Madagascar Hissing Roaches are glass climbers, a three inch wide strip along the top of the tank should be smeared with Vaseline, olive oil, or a product such as bug stop. This will prevent hissers of all sizes from escaping their enclosure.

Place cardboard egg flats in the bin or tank for hiding places. Use no substrate, it is not necessary and only makes cleaning more difficult. Unlike crickets, roach enclosures do not smell and can be kept clean with a little attention to housekeeping. Provide a high protein food such as dry cat food or roach diet at all times. It may be placed in a dish or directly on the floor of the tank. Water should be provided by water gel, as it will not get stinky as sponges will. Plus water gel insures against immature roaches accidentally drowning.

Offer your Madagascar Hissing Roaches fresh fruit or vegetables at least once a week. Carrot, apples, oranges, fresh leafy vegetables and fruit are all eagerly accepted. Remove any fruit or vegetables that are not eaten in a day or two to prevent mold. Mold is a threat to your roach colony, so best to feed only what they consume in a short while.

Never keep your roaches at temperatures any lower than 68 degrees. Madagascar Hissing Roaches are Tropical Roaches and need to be kept warm. Day temperatures between 85 to 95 degrees are preferable. If your adult Madagascar Hissing Roaches are not producing young, then you are keeping the temperature too low.

It is best to allow your hisser colony to become fully established before feeding heavily out of it. Once colonies are well established, you will have roaches of all different sizes to offer lizards the exact size they need. Madagascar Hissing roaches are especially well suited as feeders for all the larger species of lizards.


We sell Hissing Roaches. 


Keep Hissing Roaches from Escaping Your Pet Enclosures. See Ways to Feed Glass Climbing Roaches to Your Pets.

Need some tips on how to heat your roach tanks? See Heating Roach Enclosures.

Is there any advantage to using substrates? See Substrates for Roach Enclosures for common substrates and whether to use them.



New York Worms, Long Island, New York

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