RHODOPHYTA : Ceramiales : CeramiaceaeRED ALGAE

Scagelia pusilla (Ruprecht) Athanasiadis


Description: Thallus monosiphonous and erect to 1.5 cms. Branchlets paired and very delicate.

Habitat: Rare. Epilithic in the sublittoral to 12 m deep.

Distribution: A northern species reported in the British Isles from England, Wales and western Scotland. Europe: Norway.

Similar Species: Antithamnion cruciatum; Pterothamnion plumula.

Distribution Map from NBN: Scagelia pusilla at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Scagelia pusilla at iNaturalist World Species Observations database.

WoRMS: Scagelia pusilla at World Register of Marine Species.

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 Morton, O., Keatley, L., Morrow, C.C. & Picton, B.E. (2026). Scagelia pusilla. (Ruprecht) Athanasiadis. [In] Encyclopedia of Marine Life of Britain and Ireland.
https://habitas.org/mbdp/species.php?item=ZM9025. Accessed on 2026-11-01