Pisauridae Collection

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

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

Raft Spider (Dolomedes fimbriatus) female on heathland pool. Note wing of predated damselfly floating on waters surface under the spider. Dorset, UK. August

Raft Spider (Dolomedes fimbriatus) female on heathland pool. Note wing of predated damselfly floating on waters surface under the spider. Dorset, UK. August

Female Nursery web spider (Pisaura mirabilis) carrying egg sac, Peak District National Park, Derbyshire, UK. June

Raft Spider (Dolomedes fimbriatus) female resting on the surface of a moorland pool, photographed with a fisheye lens to show surrounding habitat. Nordtirol, Austrian Alps, June

Raft Spider, Dolomedes fimbriatus, close up

Nursery-web Spider -Pisaura mirabilis- with an egg sac, Schmellwitz, Cottbus, Brandenburg, Germany

Raft Spider -Dolomedes fimbriatus- on Marsh Spurge -Euphorbia palustris-, Strobitzer Badesee, Cottbus, Brandenburg, Germany

Picture No. 11050054
Nursery Web Spider carrying egg sac tropical rainforest Costa Rica Date:

Picture No. 11050053
Nursery Web Spider carrying egg sac tropical rainforest Costa Rica Date:

Dolomedes fimbriatus, great raft spider model
A large scale model of a great raft spider (Dolomedes fimbriatus), a semi aquatic spider native to Britain held within the Natural History Museum, London

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"Pisauridae: Masters of the Wetlands and Heathlands" In the enchanting Great Fen, a majestic adult female Raft spider (Dolomedes plantarius) feasts on an invasive species of fish, showcasing her prowess as a skilled predator. This remarkable arachnid belongs to the Pisauridae family, renowned for their affinity towards water habitats. Moving across to Norfolk Broads in September, we encounter a sub-adult Fen raft spider (Dolomedes plantarius), gracefully navigating its way through this picturesque region. Its presence serves as a reminder of the delicate balance within these wetlands and the importance of preserving their unique ecosystems. Venturing further into heathland pools, we witness another captivating sight - a female Raft Spider (Dolomedes fimbriatus) serenely resting on the surface. The tranquility surrounding her is disrupted only by occasional ripples caused by passing wildlife. Meanwhile, in Derbyshire's Peak District National Park during June, a diligent Female Nursery web spider (Pisaura mirabilis) diligently carries her precious egg sac. This nurturing behavior showcases nature's incredible ability to ensure future generations thrive even amidst challenging environments. Zooming back to Germany's Schmellwitz and Cottbus regions, we observe more members of this fascinating family. A Raft Spider (Dolomedes fimbriatus) perches delicately on Marsh Spurge while another rests upon vibrant foliage nearby. These intricate interactions between spiders and their surroundings demonstrate their adaptability and resilience. As we delve deeper into understanding Pisauridae spiders' lives, it becomes evident that they are not merely creatures lurking in shadows but rather extraordinary models of survival in diverse landscapes. Their presence enriches our natural world with both beauty and ecological significance – reminding us to appreciate these often misunderstood inhabitants that contribute so much to our planet's biodiversity.