Hawaiian Happy-face Spider vs Tundra Wolf Spider
Side-by-side species comparison
| Attribute | Hawaiian Happy-face Spider | Tundra Wolf Spider |
|---|---|---|
| Scientific Name | Theridion grallator | Pardosa glacialis |
| Order | Araneae | Araneae |
| Family | Theridiidae | Lycosidae |
| Size | 5 mm body length | 5-8 mm body length |
| Habitat | Forests | Tundra & Arctic |
| Diet | Omnivores | Predators |
| Regions | Hawaii | Arctic Canada, Alaska, Greenland, Svalbard, Arctic Scandinavia, Siberia |
| Conservation | Endangered | Least Concern |
Hawaiian Happy-face Spider
A tiny Hawaiian spider with markings on its abdomen that resemble a smiling face. It is endemic to the rainforests of four Hawaiian islands.
Did You Know?
The smiley-face pattern is thought to confuse predators by disrupting recognition of the spider shape.
Tundra Wolf Spider
A dark, medium-sized wolf spider with cryptic brown and gray patterning. Females carry their egg sacs attached to their spinnerets. It is one of the dominant predators on the Arctic tundra ground surface.
Did You Know?
This spider basks on dark rocks to raise its body temperature, then hunts more actively because its prey are slower in the cold.