Ascophyllum Nodosum Collection

Norway's laminaria (Ascophyllum nodosum) growing up towards the surface in clear, shallow sea, Aberffraw, Anglesey, Wales, Irish Sea, UK. July

Seaweed knotted wrack (Ascophyllum nodosum), X-ray

Seaweed (Ascophyllum nodosum), X-ray

Egg-wrack seaweed (Ascophyllum nodosum) in a sheltered sea loch. Photographed at low-tide at Loch Duich, north west Scotland

Wig-wrack seaweed (Ascophyllum nodosum var. mackaii) in a sheltered sea loch. This rare species of brown seaweed has very specific environmental requirements

Seaweed colony. Extensive bed of seaweed in a sheltered sea loch. This is mainly wig-wrack (Ascophyllum nodosum var. mackaii, right)

Hoar-frosted seaweed. Crystals of hoar frost on seaweed that has been washed up on a shoreline in winter. This seaweed is knotted wrack (Ascophyllum nodosum)

Bladder wrack and other seaweeds washed up on a shoreline. Four species are present: bladder wrack (Fucus vesiculosus, centre); serrated wrack (Fucus serratus)

Knotted wrack seaweed (Ascophyllum nodosum). This is a common brown seaweed. Mid-way along its fronds are air bladders (bubbles)

Wig-wrack colony (Ascophyllum nodosum var. mackaii). Extensive bed of seaweed in a sheltered sea loch. This rare species of brown seaweed has very specific environmental requirements

Knotted wrack (Ascophyllum nodosum) seaweed in a rock pool. This seaweed is found in many coastal habitats of the northern Atlantic Ocean

Egg Wrack or Knotted Wrack, Ascophyllum nodosum, Angle Bay, Milford Haven, Pembrokeshire, Wales, UK
Andrew Davies / SpecialistStock

All Professionally Made to Order for Quick Shipping

Norway's laminaria, Ascophyllum nodosum, gracefully reaches for the surface in the crystal-clear waters of Aberffraw, Anglesey, Wales. This vibrant seaweed thrives in the Irish Sea during July, creating a stunning underwater spectacle. In an X-ray image, we get a glimpse into the intricate structure of this knotted wrack species. Its unique pattern resembles a tangled web of nature's artistry. Also known as egg-wrack seaweed or wig-wrack seaweed, Ascophyllum nodosum showcases its resilience and adaptability to various environments. The X-ray reveals its robust composition and highlights how it absorbs nutrients from the surrounding water. In another captivating X-ray image, we witness a vast colony thriving together harmoniously. These interconnected strands create an ecosystem that supports diverse marine life. Even during colder months when hoar-frost covers everything in sight, this resilient seaweed stands tall against adversity. Its ability to endure harsh conditions is truly remarkable. Not only does Ascophyllum nodosum provide shelter and food for countless marine organisms but also serves as a playground for European river otter cubs aged four months old. These adorable creatures playfully engage with each other on top of Knotted wrack seaweed beds—a heartwarming display of nature's wonders. Ascophyllum nodosum continues to captivate us with its beauty and significance within our ecosystems. From Norway's shores to the depths of the Irish Sea, this extraordinary seaweed reminds us of nature's boundless creativity.