Great raft spider
| Great raft spider | |
|---|---|
| An adult female great raft spider on the surface of a water pool | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Araneomorphae |
| Family: | Dolomedidae |
| Genus: | Dolomedes |
| Species: | D. plantarius |
| Binomial name | |
| Dolomedes plantarius | |
| Countries with a recorded population of D. plantarius | |
| Synonyms | |
|
Araneus plantarius | |
The great raft spider or fen raft spider (Dolomedes plantarius) is a European species of spider in the family Dolomedidae. Like other Dolomedes spiders, it is semiaquatic, hunting its prey on the surface of water. It occurs mainly in neutral to alkaline, unpolluted water of fens and grazing marsh.