Reptoria

Giant cave cockroach (Blaberus giganteus)

Giant cave cockroach (Blaberus giganteus), typical appearance of the species

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

All species in the care wiki →

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).