Giant cave cockroach (Blaberus giganteus)
Invertebrates · Difficulty: Beginner
Key facts and care guidance for Giant cave cockroach (Blaberus giganteus) (origin: Central and South America). Adult size around 7–9 cm (wingspan up to 10 cm). Life expectancy 1.5–2 years. The values below are carefully researched guidance.
Short answers
Giant cave cockroach: How big does the enclosure need to be?
50×40×40 cm.
Giant cave cockroach: What temperature does it need?
Daytime 25–30 °C, basking spot No basking spot, at night 21–24 °C.
Giant cave cockroach: Does it need UVB lighting?
UVB: Not required.
Giant cave cockroach: How long do they live?
Life expectancy: 1.5–2 years.
Giant cave cockroach: Is it suitable for beginners?
Yes – it is considered suitable for beginners (difficulty: Beginner).
Climate
- Daytime temperature
- 25–30 °C
- Night temperature
- 21–24 °C
- Basking spot
- No basking spot
- Humidity
- 70–85 %
- UVB
- Not required
Enclosure
- Minimum size
- 50×40×40 cm
- Substrate
- Coco humus with leaf litter, vertical cork bark, egg cartons
Feeding
- Food
- Fruit, vegetables, fish food, oat flakes
- Feeding interval
- 2–3×/week
Key facts
- Adult size
- 7–9 cm (wingspan up to 10 cm)
- Life expectancy
- 1.5–2 years
- Origin
- Central and South America
- Protection status
- Not listed under CITES
- Brumation
- None
- Cohabitation
- Group housing. These animals naturally live in groups and cope poorly alone. One colony per enclosure, never combine two colonies - strange animals are not readily accepted. Watch food and humidity as the colony grows.
Notes
One of the world's largest cockroaches, and live-bearing. Adults can glide – the lid has to close tightly. It needs vertical climbing surfaces and high humidity.
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Related species
- Discoid cockroach (Blaberus craniifer) – Beginner
- Discoid cockroach (Blaberus discoidalis) – Beginner
- Dubia roach (Blaptica dubia) – Beginner
- Domino cockroach (Therea bernhardti) – Beginner
- Peppered cockroach (Archimandrita tesselata) – Beginner
- Green banana cockroach (Panchlora nivea) – Beginner
- Halloween hissing cockroach (Elliptorhina javanica) – Beginner
- Domino cockroach (Therea petiveriana) – Beginner
What you need to start
To keep Giant cave cockroach (Blaberus giganteus) you typically need: a suitable enclosure (50×40×40 cm), substrate (Coco humus with leaf litter, vertical cork bark, egg cartons), a heat source with a thermostat, thermometer and hygrometer, a water dish and hides. You will find equipment in the Reptoria marketplace.
The complete, interactive care database is in the Reptoria app.
Last updated: 9 October 2026 · Editor: Reptoria editorial team · Sources include: https://en.wikipedia.org/wiki/Blaberus_giganteus, https://www.dght-foren.de/forum/wirbellose/evertebraten/51274-verhalten-und-pflege-von-eublaberus-distanti-und-blaberus-giganteus, https://www.home-of-insects.com/p/blaberus-giganteus-riesenschabe
All values are non-binding guidance and do not replace expert advice. Research thoroughly from several sources before acquiring and keeping an animal, and observe the applicable law (species and animal protection in particular).