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Holdfast (biology)

Holdfast (biology)

Root-like structure that anchors aquatic sessile organisms, such as seaweed.

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Readers' pathsAug 2026 – Oct 2026

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Share of the 532 clicks on its links

  1. Sea pen

    Order of colonial marine cnidarians.

    18%

  2. Crinoid

    Class of echinoderms.

    13%

  3. Sessility (motility)

    Property of animals that do not use self-locomotion.

    13%

  4. Eocrinoidea

    Class of echinoderms.

    11%

  5. Cnidaria

    Aquatic animal phylum having cnidocytes.

    8.8%

  6. Kelp

    Large brown seaweeds in the order Laminariales.

    8.5%

  7. Seaweed

    Macroscopic marine algae.

    7.5%

  8. Lichen

    Symbiosis of fungi with algae.

    5.1%

  9. Sponge

    Animals of the phylum Porifera.

    2.4%

Readers come from

Share of the 1,112 readers arriving from another article

  1. Algae

    Diverse group of photosynthetic organisms.

    21%

  2. Keystone species

    Species with a large effect on its environment.

    10%

  3. Rotifer

    Phylum of pseudocoelomate invertebrates.

    8.3%

  4. Kelp forest

    Underwater areas highly dense with kelp.

    7.6%

  5. Nereocystis

    Genus of kelp.

    5.7%

  6. Polyp (zoology)

    One of two forms found in the phylum Cnidaria (zoology).

    5.6%

  7. Kelp

    Large brown seaweeds in the order Laminariales.

    5.5%

  8. Eucestoda

    Subclass of flatworms.

    4%

  9. Gribble

    Family of crustaceans.

    3.4%

  10. Seaweed

    Macroscopic marine algae.

    2.8%