Bug Identifier
Fishing Spider
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.
See this bug in the Encyclopedia

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.