Madagascar Hissing Cockroach

What Is Madagascar Hissing Cockroach? Lifespan,Rid,size,color.

The Madagascar hissing cockroach (Gromphadorhina portentosa) is a unique species of cockroach known for its large size and distinctive hissing sound. Native to the island of Madagascar, these cockroaches have become popular as pets and educational insects in various parts of the world. 

They are characterized by their reddish-brown to dark brown color, hard exoskeleton, and the ability to produce a hissing noise by expelling air from specialized spiracles. 

What Is Madagasar Hissing Cockroach

The Madagascar hissing cockroach (Gromphadorhina portentosa) is a large species of cockroach native to the island of Madagascar. It is known for its unique features and behaviors. These cockroaches can reach lengths of around 2 to 3 inches (5 to 7.5 centimeters) and have a robust body with a reddish-brown to dark brown color. 

The males have large horns on their pronotum, which they use for combat and dominance displays. One of their most distinctive traits is their ability to produce a hissing sound by expelling air through specialized spiracles on their abdomen. This sound is used for communication, attracting mates, and establishing dominance. 

In the wild, Madagascar hising cockroaches are found in the forest floor litter, where they feed on decaying organic matter. They are primarily nocturnal and have a relatively long lifespan, living up to 5 years or more. These cockroaches are commonly kept as pets, as they are docile, easy to care for, and have become popular subjects for educational and research purposes. 

Lifespan Of Madagascar Hissing Cockroach

The Madagascar hissig cockroach (Gromphadorhina portentosa) has a relatively long lifespan compared to many other insect species. Under favorable conditions, these cockroaches can live up to 5 years or even longer.

Factors Affecting Lifespan

  • Environmental Conditions: Providing suitable living conditions, including appropriate temperature and humidity levels, can contribute to a longer lifespan.
  • Diet: A balanced diet is important for the overall health and longevity of Madaascar hissing cockroaches. Feeding them a varied diet of fruits, vegetables, and high-quality commercial roach chow can support their well-being.
  • Genetics: Genetic variations among individuals may influence their lifespan. Some cockroaches may naturally have longer or shorter lifespans.

Care and Husbandry

  • Adequate Space: Providing enough space for the cockroaches to move, hide, and molt is essential for their well-being and longevity.
  • Temperature and Humidity: Maintaining optimal temperature and humidity levels within their enclosure helps create a favorable environment.
  • Cleanliness: Regular cleaning of the enclosure, removal of waste, and maintaining good hygiene can contribute to the overall health of the cockroaches.

Madagascar Hissing Cockroach Color

The Madagascar hissing cockoach (Gromphadorhina portentosa) can exhibit various colors depending on factors such as age, gender, and environmental conditions. The typical coloration of these cockroaches ranges from reddish-brown to dark brown. However, within a population, you may find some individuals that appear lighter or darker in color.

Young Madagascar hissing cockroaches often have a lighter coloration, which can darken as they mature. The males tend to have a darker color and may exhibit more pronounced patterns and markings on their exoskeleton. The females, on the other hand, often have a slightly lighter brown coloration.

Madagascar Hissing Cockroach size


Adult male Madagascar hissing cockroaches typically range in size from 2 to 3 inches (5 to 7.5 centimeters) in length. They have a robust body and are generally larger than the females. Adult females, on the other hand, are slightly smaller and typically measure around 2 to 2.5 inches (5 to 6.5 centimeters) in length.


Newly hatched nymphs of Madagascar hising cockroaches are tiny and measure only a few millimeters in length. As they molt and grow, they gradually increase in size over a period of several months.

Get Rid OF Madagascar Hissing Cockroach

To get rid of Madagascar hising cockroaches (Gromphadorhina portentosa), here are some steps you can take.

Identify and Remove Food Sources 

  • Cockroaches are attracted to food, so it’s crucial to keep your living space clean and free of crumbs, spills, and food debris. Store food in sealed containers and promptly clean up any spills or crumbs.

Eliminate Water Sources

  • Fix any leaks or sources of excess moisture in your home, as cockroaches need water to survive. Repair dripping faucets, seal leaks in pipes, and ensure proper drainage in areas prone to moisture.

Remove Clutter

  • Clear away clutter, especially in areas where cockroaches might hide, such as basements, storage areas, and closets. This reduces their potential hiding spots and makes it easier to locate and treat infestations.

Seal Entry Points 

  • Inspect in your home for the any cracks, gaps, of the openings that cockroaches can use to enter. Seal these entry points with caulk or other appropriate sealants to prevent their access.

Also Check: Indian Cockroach 


Madagascar hissing cockroaches are not considered dangerous to humans. They are not known to bite or sting, and they do not pose any significant health risks.

No, Madagascar hissing cockroaches are flightless insects. They do not have wings and are not capable of flying.

Yes, Madagascar hissing cockroaches are popular as pets and are kept by many insect enthusiasts. They are relatively low-maintenance, easy to handle, and have interesting behaviors.

Madagascar hissing cockroaches are detritivores, which means they primarily feed on decaying plant matter and other organic materials. They can be fed a variety of foods, including fruits, vegetables, leaf litter, and specialized cockroach diets.

Under favorable conditions, Madagascar hissing cockroaches can live up to 5 years or even longer. Factors such as temperature, humidity, diet, and overall care can influence their lifespan.


The Madagascar hissing cockroach (Gromphadorhina portentosa) is a fascinating species of cockroach known for its large size, unique behaviors, and popularity as pets. Native to Madagascar, these cockroaches have a lifespan of up to 5 years or longer under favorable conditions.They are relatively harmless to humans and do not pose any significant health risks. Madagascar hissing cockroaches are detritivores, feeding on decaying plant matter and other organic materials. 

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