Cartilaginous but flaccid, dark brown-red fronds, to 200 mm long. Stipe ± cylindrical, to 100 mm long, from sparingly branched rhizoidal holdfast. Blade lanceolate, to 10 mm wide, irregularly pinnate, clothed with tendril-like coiled or hooked processes, to 100 mm or more long.

Calliblepharis jubata is brownish red in colour. It has a thallus consisting of a branched holdfast that gives rise to an erect frond that expands into a dichotomous or irregularly divided blade. The outline of the frond is variable but it commonly has a cylindrical or very slightly compressed stipe. Its blades are about 6 mm broad and 30 cm long with narrow branches. The branches appear long and tendril like. Long branchlets (proliferations) arise from the blade surface and margins of the branches.

Similar species: Calliblepharis ciliata is broader (to 50 mm), its mariginal proliferations are shorter and less entangled, and it is mainly subtidal.

Link for Algae Handbook (Pereira, 2010).

Original publication: Kützing, F.T. (1843). Phycologia generalis oder Anatomie, Physiologie und Systemkunde der Tange... Mit 80 farbig gedruckten Tafeln, gezeichnet und gravirt vom Verfasser. pp. [part 1]: [i]-xxxii, [1]-142 , [part 2:] 143-458, 1, err.], pls 1-80. Leipzig: F.A. Brockhaus.

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Sánchez, I., Fernández, C. & Arrontes, J. (2005). Long-term changes in the structure of intertidal assemblages following invasion by Sargassum muticum (Phaeophyta). Journal of Phycology 41: 942-949.

Silva, P.C., Basson, P.W. & Moe, R.L. (1996). Catalogue of the benthic marine algae of the Indian Ocean. University of California Publications in Botany 79: 1-1259.

Deslandes, E., Floc'h, J.-Y., Bodeau-Bellion, C., Brault, D. & Braud, J.P. (1985). Evidence for (iota)-carrageenans in Solieria chordalis (Solieriaceae) and Calliblepharis jubata, Calliblepharis purpureum (Rhodophyllidaceae). Botanica Marina 28: 317-318.

Goulard, F., Diouris, M., Deslandes, E. & Floc'h, J.-Y. (1999). Nucleotides, nucleoside sugars and UDP-glucose-4-epimerase activity in the iota-carrageenophytes Solieria chordalis and Calliblepharis jubata (Rhodophyceae). European Journal of Phycology 34: 21-25, 4 figs, 1 table.

Zinoun, M., Diouris, M., Potin, P., Floc'h, J.Y. & Deslandes, E. (1997). Evidence of sulfohydrolase activity in the red alga Calliblepharis jubata. Botanica Marina 40: 49-53.

Basionym: Fucus jubatus Goodenough & Woodward

Syntype localities: England: Ilfracombe, Devon and Isle of Portland, Dorset (Silva, Basson & Moe 1996: 284). Lectotype: ‘An undated specimen from Ilfracombe accepted provisionally as of lectotype status.’ (Dixon & Irvine 1977: 192).