Animal Facts
    Common Name:
    Madagascar Hissing Cockroach
    Scientific Name:
    Gromphadorhina portentosa
    • They live in colonies, but males may defend small territories.
    • Hissing sounds are used in courtship routines and as a defense mechanism. Sound is produced by pushing air out of tiny holes on the side of the body.
    • Hissing cockroaches can run at a surprising three mph.
    1.5 oz
    2.5 in
    Life Span:
    3 yrs
    Gestation Period:
    60 days
    Number of Young:
    • Forest
    Fun Facts:
    • Females give birth to live offspring after they have been carried in eggs within her body.
    • After six molts, they are sexually mature.
    • These cockroaches cannot fly.
    • Madagascar hissing cockroaches are one of the longest roaches, reaching lengths of four inches.
    Endangered Status
    Endangered Status
    • Extinct in Wild (EW)
    • Critically Endangered (CR)
    • Endangered (EN)
    • Vulnerable (VU)
    • Near Threatened (NT)
    • Least Concern (LC)
    • Not Evaluated (NE)

    Although most people don’t want to see one roach, our keepers maintain a large breeding colony that requires daily attention. Every day keepers are on the lookout for unusual behaviors and feed them a wide variety of fruits, vegetables, and animal protein.