CreatureData

Humped spider

Zosis geniculata (Olivier, 1789)

Status not recordedspiders

The humped spider (Zosis geniculata) is a species in the family Uloboridae, order Araneae. Recorded adults reach 4 mm in length. Source checklists list it for 8 countries, including Australia, Brazil and Cape Verde.

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Quick facts about the humped spider

Weight
Not recorded
Length
4 mm
Lifespan
Not recorded
Main food
Not recorded
Habitat
Not recorded
Young per litter or clutch
Not recorded
Active
By day (diurnal)
Resting metabolic rate
0.0322 mW – 0.118 mW
Conservation status
Not recorded
Countries on record
8 countriessrc for Countries on record

How big is the humped spider?

HUMPED SPIDER · LENGTH 4 MMADULT HUMAN · HEIGHT 1.7 M
At 4 mm, the recorded maximum length of the humped spider is about 0.2% of the height of an adult human (1.7 m, a fixed reference used for scale).

Where does the humped spider live?

Countries where Catalogue of Life checklists list the species. Many checklists carry no country data, so the list is often incomplete. It is not a range map.

The humped spider is listed for 8 countries.

IndonesiaBrazilCubaIndiaAustraliaChina
  • Listed
  • Not listed
small islands are not drawn at this scale

The same countries as a list

  1. Australia
  2. Brazil
  3. Cape Verde
  4. China
  5. Cuba
  6. India
  7. Indonesia
  8. Martinique

Why a country list is not a range map

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the humped spider as introduced in 1 country.

  1. Canada

Introduced means brought by people and now present; invasive means the country's checklist records an impact. A species can be native to one part of a country and introduced in another. Source: Global Register of Introduced and Invasive Species (CC BY 4.0).

Is the humped spider endangered?

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

How is the humped spider classified?

  1. kingdomAnimalia
  2. phylumArthropoda
  3. classArachnida
  4. orderAraneae
  5. familyUloboridae
  6. genusZosis
  7. SpeciesZosis geniculata (Olivier, 1789)

Synonyms Aranea geniculata, Orithya luteolus, Orithya williamsii, Philoponella xiamenensis, Uloborus borbonicus, Uloborus danolius, Uloborus domesticus, Uloborus geniculatus, Uloborus latreilleii, Uloborus luteolus, Uloborus spinitarsis, Uloborus zosis, Zosis borbonica, Zosis caraiba, Zosis caraibe, Zosis danolia, Zosis domestica, Zosis geniculata altissima, Zosis geniculata humilis, Zosis geniculata quadripunctata, Zosis geniculata similis, Zosis geniculatus, Zosis latreillei, Zosis luteola, Zosis spinitarsis, Zosis williamsi, Zosis xiamenensis, Zosis zosis

Other names and names in other languages (9)
  • Banded-knees house spiderEnglish
  • Feather-legged spiderEnglish
  • Ninja-star ceiling spiderEnglish
  • pakřižák tropickýCzech
  • ミナミウズグモJapanese
  • Aranha-Casa-CinzentaPortuguese
  • แมงมุมดาวกระจายนินจาThai
  • 膝形渦蛛Chinese
  • 結突腰嫵蛛Chinese

Catalogue of Life

Relatives of the humped spider

Other species in the same genus Zosis.

CompareHumped spider vs Zosis costalimaeHumped spider vs Zosis peruana

Common questions

Answered only where our data holds the answer.

How big is the humped spider?

An adult humped spider measures 4 mm long, according to values recorded on Wikidata.

Where does the humped spider live?

Catalogue of Life checklists list the humped spider for 8 countries, including Australia, Brazil, Cape Verde, China and Cuba. Checklist coverage is uneven, so the true range may be wider.

Is the humped spider an invasive species?

The Global Register of Introduced and Invasive Species lists the humped spider as introduced in 1 country: Canada, but does not flag it as invasive in any of them.

What kind of animal is the humped spider?

The humped spider (Zosis geniculata) belongs to the family Uloboridae in the order Araneae.

Sources and how to cite this page

Data as of 2026-11-14. How this page is put together.

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APA

CreatureData. (2026). Humped spider (Zosis geniculata). Retrieved from https://creaturedata.com/animals/humped-spider

MLA

“Humped spider (Zosis geniculata).” CreatureData, 2026, https://creaturedata.com/animals/humped-spider.

BibTeX
@misc{humped_spider_2026,
  title = {Humped spider (Zosis geniculata)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/humped-spider},
  note = {Data as of 2026-11-14}
}