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- ›Gromphadorhina
Madagascar Hissing Cockroach
Gromphadorhina portentosa
The Madagascar hissing cockroach (Gromphadorhina portentosa), also known as the hissing cockroach or simply hisser, is one of the largest species of cockroach, reaching 2 to 3 inches (5.1–7.6 cm) at maturity. They are native to the island of Madagascar, which is off the African mainland, where they are known to be found inside of rotting logs. It is one of some 20 known species of large hissing roaches from Madagascar, many of which are kept as pets,...
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Every page naming Gromphadorhina portentosa in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 322550.