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Small whip spider (Phrynus parvulus)

Small whip spider (Phrynus parvulus), typical appearance of the species

Invertebrates · Difficulty: Intermediate

Key facts and care guidance for Small whip spider (Phrynus parvulus) (origin: Central America (Belize, Guatemala; some Costa Rican records are actually P. pseudoparvulus)). Adult size around body approx. 1.5–2 cm, leg span up to approx. 10–14 cm. Life expectancy 5–10 years (females longer than males). The values below are carefully researched guidance.

Short answers

Small whip spider: How big does the enclosure need to be?

20×20×30 cm (vertical, taller than wide).

Small whip spider: What temperature does it need?

Daytime 24–28 °C, at night 20–23 °C.

Small whip spider: Does it need UVB lighting?

UVB: No UVB needed (nocturnal).

Small whip spider: How long do they live?

Life expectancy: 5–10 years (females longer than males).

Small whip spider: Is it suitable for beginners?

Rather not – it is considered an intermediate species (difficulty: Intermediate).

Climate

Daytime temperature
24–28 °C
Night temperature
20–23 °C
Basking spot
—
Humidity
70–80 % (New World species, copes with somewhat drier air)
UVB
No UVB needed (nocturnal)

Enclosure

Minimum size
20×20×30 cm (vertical, taller than wide)
Substrate
Coco humus or soil, about 5 cm, damp (not wet)

Feeding

Food
Crickets, roach nymphs, flies; matched to their body size
Feeding interval
1×/week, prey about a quarter of its body size

Key facts

Adult size
body approx. 1.5–2 cm, leg span up to approx. 10–14 cm
Life expectancy
5–10 years (females longer than males)
Origin
Central America (Belize, Guatemala; some Costa Rican records are actually P. pseudoparvulus)
Protection status
No known CITES or German protection; freely tradable
Brumation
None (tropical)
Cohabitation
Keeping them singly is recommended – New World whip spiders are more prone to cannibalism than Damon; house them together only with a great deal of space and hides, and at your own risk; never keep males together

Notes

The taxonomy is uncertain: many animals traded as "Phrynus parvulus" are misidentified (P. pseudoparvulus and P. whitei among others). Non-venomous, without silk glands; very shy and fragile, and only to be watched. Moulting needs free height.

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Related species

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What you need to start

To keep Small whip spider (Phrynus parvulus) you typically need: a suitable enclosure (20×20×30 cm (vertical, taller than wide)), substrate (Coco humus or soil, about 5 cm, damp (not wet)), 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/Phrynus, https://en.wikipedia.org/wiki/Phrynus_marginemaculatus

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).