Invertebrate
Black Widow
Venomous cobweb spider with a red hourglass
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Theridiidae is a taxonomic family in the order Araneae, class Arachnida. Global Animal Guide profiles 2 of its members: Black Widow and Black Widow Spider. The table compares them using the figures on each profile.
| Animal | Weight | Length | Top speed | Lifespan | Native to | Status |
|---|---|---|---|---|---|---|
| Black Widow Latrodectus mactans | 1 g | 4 cm | 1 km/h | 3 yrs | North America | Least Concern |
| Black Widow Spider Latrodectus mactans | 1 g | 4 cm | 2 km/h | 3 yrs | North America | Least Concern |
Figures are typical adult maxima from each profile; follow a profile for ranges, sources and context.