Portunidae Collection

European green crab (Carcinus maenas), an invasive species in North America, Kejimkujik Seaside National Park, Nova Scotia, Canada. July

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Harlequin Crab - inside Tube Anemone, Cerianthus sp - Batu Niti Slope dive site, Seraya, Karangasem, Bali, Indonesia, Indian Ocean Harlequin Crab - inside Tube Anemone

Swimming crab (Cronius ruber) Canary Islands, Tenerife. Invasive species

Atlantic blue crab (Callinectes sapidus) hunting in Turtlegrass (Thalassia testudinum) seagrass bed, view towards sky. Florida Keys, Florida, USA

Marbled swimming crab (Liocarcinus marmoreus) Jersey, British Channel Islands, June

Velvet swimming crab (Necora puber) male, in defensive posture, with wreck of the Rosalie in background, Weybourne, Norfolk, England, UK, North Sea

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Harlequin Crab on Amberfish Sea Cucumber (Thelenota anax) - night dive - Murex House Reef dive site, Bangka Island, north Sulawesi, Indonesia, Pacific Ocean Date: 24-03-2016

Callinectes sapidus, blue crab

Harlequin swimming crab, Sulawesi, Indonesia
Harlequin swimming crab (Lissocarcinus laevis) in front of tube-dwelling anemone, Bunaken National Park, Indonesia

A harlequin swimming crab sits on its host tube anemone
A harlequin swimming crab (Lissocarcinus laevis) sits on its host tube anemone in Komodo National Park, Indonesia. This tropical area in the western Pacific harbors an extraordinary array of marine

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Swimming Crab Crinoid Corner dive site, Horseshoe Bay, Nusa Kode, south Rinca Island, Komodo National Park, Indonesia. Swimming Crab

Velvet Crab (Necora puber), view from above

Flower crab, 18th century artwork C016 / 5863
Flower crab (Portunus pelagicus), watercolour. Cut out from Plate 49 by Ferdinand Lucas Bauer from his collection of zoological drawings

Flower crab, artwork C016 / 5536
Flower crab (Portunus pelagicus). Watercolour by Olivia Fanny Tonge, circa 1910

Carcinus maenas, European shore crab
Specimens of this invasive crab, which has spread well beyond its native range and is threatening ecosystems the world over

Pennants Swimming Crab (Portumnus latipes) moult, on beach strandline, Gower Peninsula, Glamorgan, Wales, august

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"Portunidae: Exploring the Intriguing World of Swimming Crabs" Dive into the captivating realm of Portunidae, a family of crabs that includes various fascinating species. From the European green crab invading North America to the Marbled swimming crab found in Jersey's British Channel Islands, these creatures never fail to amaze. In Kejimkujik, witness the majestic Atlantic blue crab skillfully hunting amidst Turtlegrass, showcasing its predatory prowess. Meanwhile, the Velvet swimming crab strikes a defensive pose against the backdrop of the wrecked Rosalie in Norfolk's Weybourne. The Canary Islands' shores are home to Cronius ruber, an invasive swimming crab species disrupting local ecosystems. On Tenerife Island, this intruder challenges native biodiversity and calls for conservation efforts. Marvel at nature's symbiotic relationships as Harlequin swimming crabs seek shelter beneath tube anemones or host tentacles. These striking crustaceans can be spotted off Sulawesi's coast in Indonesia or even closer to home in England's North Sea. Venturing beyond their own kind, Portunidae encounters other marine inhabitants like Lemon shark juveniles navigating mangrove habitats alongside blue crabs. This interplay between different species highlights nature's intricate interconnectedness. As we explore Portunidae and its diverse members worldwide, let us appreciate their beauty while also acknowledging potential threats they may pose as invasive species. Understanding these remarkable creatures is crucial for preserving our delicate marine ecosystems and ensuring a harmonious coexistence with all living beings underwater.