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Worm alga (Dasycladus vermicularis)

Photo of Worm alga (Dasycladus vermicularis)

Key facts

Scientific name
Dasycladus vermicularis
Common name
Worm alga
Category
Algae
Family
Dasycladaceae
Genus
Dasycladus
Size
2–8 cm
Depth
0–10 m
IUCN status
Least concern (LC)
Danger level
Harmless
Habitats
rocky, tide-pool
Behaviours
sessile, photosynthetic
Ocean zones
Caribbean, East Atlantic, Macaronesia, Mediterranean, Eastern Pacific

Description

Dasycladus vermicularis reaches 8 cm. Remarkable small green alga: each individual is a single giant cell (like Caulerpa) in brush-shape with verticillate fine hairs. Colonizes intertidal rock pools and very shallow rocks of the Mediterranean and Macaronesia. Clusters in tufts. Model species for studying giant cells in cell biology. Photogenic in raking light.

Photo of Worm alga

Photo of Worm alga (Dasycladus vermicularis)Photo of Worm alga (Dasycladus vermicularis)

Frequently asked questions

How big is the Worm alga?
Worm alga (Dasycladus vermicularis) reaches 2–8 cm in length.
At what depth can you find the Worm alga?
Worm alga is found between 0–10 m deep.
Is the Worm alga dangerous to divers?
Danger level: Harmless.
What is the conservation status of the Worm alga?
IUCN status: Least concern (LC).
Where can you find the Worm alga?
Found in: Caribbean, East Atlantic, Macaronesia, Mediterranean, Eastern Pacific.

Similar species

  • Dictyota dichotoma - Forkweed
  • Sargassum vulgare - Common sargassum
  • Codium bursa - Ball alga
  • Halimeda tuna - Halimeda
  • Posidonia oceanica - Neptune grass
  • Cymodocea nodosa - Little Neptune grass

Sources

  • Taxonomy: WoRMS (AphiaID 145301)
  • Photos: iNaturalist (CC BY-NC)
  • Distribution: GBIF (taxonKey 2644707)
  • Conservation: IUCN Red List
  • Encyclopedia: Wikipedia