Emanuele Biggi / Great Fen / Raft spider (Dolomedes plantarius), adult female eating an invasive species of fish, Western mosquitofish, (Gambusia affinis), Alessandria, Italy, August.

Alex Hyde / Raft Spider (Dolomedes fimbriatus) female on heathland pool. Note wing of predated damselfly floating on water's surface under the spider. Dorset, UK. August.

Alex Hyde / Fen raft spider / Great raft spider (Dolomedes plantarius) adult female. Norfolk Broads, UK, September. Vulnerable species.

Will Watson / Raft spider (Dolomedes fimbriatus) on Sphagnum, Whixall Moss, Fenn's, Whixall and Bettisfield Mosses National Nature Reserve, Shropshire, England, UK. June.

Emanuele Biggi / Great Fen / Raft spider (Dolomedes plantarius), adult female holding egg sac, Alessandria, Italy. September.

Emanuele Biggi / Great or Fen Raft spider (Dolomedes plantarius), adult female hunting from aquatic vegetation, Po river, Alessandria, Italy, August.

Emanuele Biggi / Great raft spider (Dolomedes plantarius) young individual, Alessandria, Italy, May.

Emanuele Biggi / Fen raft spider (Dolomedes plantarius) female protecting her spiderlings in her nursery web, Italy.

Emanuele Biggi / Great Fen / Raft spider (Dolomedes plantarius), spiderlings on their nursery web, Alessandria, Italy, August.

Emanuele Biggi / Great or Fen Raft spider (Dolomedes plantarius), sub-adult eating a Wolf-spider (Pirata sp.), Alessandria, Italy, August.

Alex Hyde / Fen raft spider / Great raft spider (Dolomedes plantarius) adult female. Norfolk Broads, UK, September. Vulnerable species.

Alex Hyde / Fen raft spider / Great raft spider (Dolomedes plantarius) sub-adult. Norfolk Broads, UK, September. Vulnerable species.