
Community identification
Fishing Spider
Dolomedes tenebrosus
- Order & Family
- Order Araneae, Family Pisauridae
- Size
- Large; females can have a body length of 15-26 mm and a leg span up to 3 inches (75 mm). Males are smaller.
Natural Habitat
Often found near water, but this particular species is also frequently found in wooded areas, on tree trunks, or near rocks away from water.
Diet & Feeding
Aggressive hunters that eat insects and other aquatic or terrestrial invertebrates; some species are known to occasionally catch small fish or tadpoles.
Behavior Patterns
They are active hunters that do not spin webs to catch prey. They utilize vibrations on water surfaces or ground to detect prey and can run across the surface of water.
Risks & Benefits
Benefits the ecosystem by controlling insect populations. They are not medically significant to humans; while they can bite if mishandled, the bite is typically comparable to a bee sting.