Size: Female length: 13-20 mm or Male length: 9-15 mm,
Weight: no data
Life span: no data
** Dolomedes plantarius, is a European species of spider in the Pisauridae family. Like other Dolomedes spiders, it is semi-aquatic, hunting its prey on the surface of water. It occurs mainly in neutral to alkaline, unpolluted water of fens and grazing marsh.
More info: https://en.wikipedia.org/wiki/Great_raft_spider