# Leopard bear-spider (*Arctosa leopardus*)

Canonical page: https://creaturedata.com/animals/leopard-bear-spider  
Data as of: 2026-11-14

The leopard bear-spider (Arctosa leopardus) is a species in the family Lycosidae, order Araneae. Recorded adults reach 1 cm in length. Source checklists list it for 2 countries: Cyprus and Germany.

## Quick facts

| Fact | Value |
|---|---|
| Weight | Not recorded |
| Length | 5 mm – 1 cm |
| Lifespan | Not recorded |
| Diet | Invertivore |
| Main food | Not recorded |
| Habitat | wetland |
| Young per litter or clutch | Not recorded |
| Active | By day (diurnal) |
| Generations a year | One |
| Conservation status | Not recorded |
| Countries on record | 2 countries |

## Recorded prey and predators

Recorded prey: Lesteva sicula (*Lesteva sicula*), Ochthephilum fracticorne (*Ochthephilum fracticorne*), Meadow wolf spider (*Pardosa prativaga*), Pirate otter spider (*Pirata piraticus*), Pirata tenuitarsis (*Pirata tenuitarsis*), Cytilus sericeus (*Cytilus sericeus*). Recorded predators: Common slow worm (*Anguis fragilis*), Lesteva sicula (*Lesteva sicula*), Myllaena dubia (*Myllaena dubia*), Ochthephilum fracticorne (*Ochthephilum fracticorne*), Paederus riparius (*Paederus riparius*), Bledius rufipes (*Bledius rufipes*), Sand lizard (*Lacerta agilis*), Common grasshopper warbler (*Locustella naevia*). Each pair is recorded by at least two datasets compiled by Global Biotic Interactions (https://www.globalbioticinteractions.org/, CC0 1.0).

## Classification

- kingdom: Animalia
- phylum: Arthropoda
- class: Arachnida
- order: Araneae
- family: Lycosidae
- genus: Arctosa
- species: *Arctosa leopardus* (Sundevall, 1833)

Synonyms: *Arctosa brevispina*, *Arctosa cambrica*, *Arctosa sericata*, *Lycosa leopardus*

## Countries on record

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.

Cyprus, Germany

## Common questions

### How big is the leopard bear-spider?

An adult leopard bear-spider measures 5 mm – 1 cm long, according to values recorded on Wikidata.

### Where does the leopard bear-spider live?

Catalogue of Life checklists list the leopard bear-spider for 2 countries: Cyprus and Germany. Checklist coverage is uneven, so the true range may be wider.

### What kind of animal is the leopard bear-spider?

The leopard bear-spider (Arctosa leopardus) belongs to the family Lycosidae in the order Araneae.

### What eats the leopard bear-spider?

Animals recorded preying on the leopard bear-spider include common slow worm, lesteva sicula, myllaena dubia and ochthephilum fracticorne. The records are compiled by Global Biotic Interactions from published studies; each pair is reported by at least two datasets.

### Which animals does the leopard bear-spider eat?

Animals recorded as prey of the leopard bear-spider include lesteva sicula, ochthephilum fracticorne, meadow wolf spider and pirate otter spider. The records are compiled by Global Biotic Interactions from published studies; each pair is reported by at least two datasets.

## Sources

- [Catalogue of Life eXtended Release](https://www.checklistbank.org/dataset/316691), CC BY 4.0, 2026-10-16 XR. Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf
- [Global Biotic Interactions (GloBI): interpreted data products](https://www.globalbioticinteractions.org/), CC0 1.0, 0.11. Poelen, J.H., Simons, J.D. & Mungall, C.J. (2014) Global Biotic Interactions: an open infrastructure to share and analyze species-interaction datasets. Ecological Informatics 24: 148–159. https://doi.org/10.1016/j.ecoinf.2014.08.005. Data: https://doi.org/10.5281/zenodo.22691479, with each record's original reference.
- [TraitCH: a multi-taxa functional trait dataset for Switzerland and Europe](https://doi.org/10.5281/zenodo.15063844), CC BY 4.0, 2.0. Chauvier, Y., Adde, A., Bergamini, A. et al. (2025) TraitCH: a multi-taxa functional trait dataset for Switzerland and Europe. Zenodo. https://doi.org/10.5281/zenodo.15063844

Cite as: Leopard bear-spider (Arctosa leopardus). Retrieved from https://creaturedata.com/animals/leopard-bear-spider