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Brazilian blue dwarf tarantula (Pterinopelma sazimai)

Brazilian blue dwarf tarantula (Pterinopelma sazimai), typical appearance of the species

Invertebrates · Difficulty: Beginner

Key facts and care guidance for Brazilian blue dwarf tarantula (Pterinopelma sazimai) (origin: Brazil (Bahia, isolated humid "islands" in the highlands), tropical to subtropical). Adult size around leg span up to ~15 cm (females). Life expectancy females 10–15 years, males 3–5 years. The values below are carefully researched guidance.

Short answers

Brazilian blue dwarf tarantula: How big does the enclosure need to be?

30×30×30 cm (an adult female 40×40×40 cm).

Brazilian blue dwarf tarantula: What temperature does it need?

Daytime 24–28 °C, at night 20–22 °C.

Brazilian blue dwarf tarantula: Does it need UVB lighting?

UVB: No UVB needed.

Brazilian blue dwarf tarantula: How long do they live?

Life expectancy: females 10–15 years, males 3–5 years.

Brazilian blue dwarf tarantula: Is it suitable for beginners?

Yes – it is considered suitable for beginners (difficulty: Beginner).

Climate

Daytime temperature
24–28 °C
Night temperature
20–22 °C
Basking spot
—
Humidity
70–80 % (offer partly humid and partly dry areas)
UVB
No UVB needed

Enclosure

Minimum size
30×30×30 cm (an adult female 40×40×40 cm)
Substrate
10–15 cm of coco humus, peat or soil with roots and pieces of bark, leaf litter, a cork tube; it digs occasionally

Feeding

Food
Insects (crickets, roaches, locusts)
Feeding interval
adults every 7–10 days, juveniles every 3–4 days

Key facts

Adult size
leg span up to ~15 cm (females)
Life expectancy
females 10–15 years, males 3–5 years
Origin
Brazil (Bahia, isolated humid "islands" in the highlands), tropical to subtropical
Protection status
No CITES; Brazil prohibits the export of wildlife → only captive-bred animals in the trade
Brumation
None
Cohabitation
Single housing (solitary; bring together only for mating). The reason is not conflict but predation: these animals take anything that fits in their mouths, and a second animal in the enclosure is included.

Notes

Ground-dwelling to semi-arboreal, with blue hair; urticating hairs as a defence. A calm, easy-care beginner's species. Today placed as Lasiocyano sazimai. Note: despite the "dwarf" in the app name, the species is medium-sized at about 15 cm.

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Related species

All species in the care wiki →

What you need to start

To keep Brazilian blue dwarf tarantula (Pterinopelma sazimai) you typically need: a suitable enclosure (30×30×30 cm (an adult female 40×40×40 cm)), substrate (10–15 cm of coco humus, peat or soil with roots and pieces of bark, leaf litter, a cork tube; it digs occasionally), a heat source with a thermostat, UVB lighting, 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/Lasiocyano_sazimai, https://www.grimoireexotics.com/post/lasiocyano-sazimai-brazilian-blue-tarantula-care-guide, https://www.thetarantulacollective.com/caresheets/lasiocyano-sazimai

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).