BioImages: The Virtual Field-Guide (UK)

Sargassum muticum (Yendo) Fensholt, 1955 (Japweed, Wireweed)

Sets of Photographs

These relate to individual finds ("biological records") of the organism.

Suggested Literature

Identification Works

Booy, O., Wade, M., Ames, V. & McKee, K. Wireweed
Michael Guiry's Seaweed Site: Michael Guiry's Seaweed Site
The Bishop Group, 2011 Marine Aliens - Identification guide for selected marine non-native species

Sargassum muticum may also be covered by literature listed under:

(living things)
(brown seaweeds)
Seaweeds (via Phaeophyceae)

BioInfo BioInfo ( has 2 feeding and other relationships of Sargassum muticum (Japweed, Wireweed)

Further Information

Notes (MWS) An alien species introduced in the early 1970's, probably on Japanese oysters via France. It is now widespread in lower pools and shallow sublittoral.
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