Hypnea musciformis (Wulfen) J.V.Lamouroux 1813

Division     Rhodophyta
Class     Florideophyceae
Order     Gigartinales
Family    Cystocloniaceae
Basionym     Fucus musciformis Wulfen
SynonymCeramium musciforme (Wulfen) Ruchinger, Sphaerococcus musciformis (Wulfen) C.Agardh, Hypnophycus musciformis (Wulfen) Kützing, Sphaerococcus divaricatus C.Agardh, Hypnea rissoana J.Agardh , Hypnea arborescens P.Crouan & H.Crouan

    Thallus red to olive green in colour, 10-15 cm in height and 0.5- cm diameter; epiphyte on Sargassum and other algae. Thallus at first attached, later often free floating, frequently occupying the floor of the sea in depths up to three meters. Frond freely branched with short spine like branches; apices of branches often thickened and incurved forming hook-like structure which are smooth or occasionally producing ramuli on the outer (convex) surface; ramuli in lower portions of branches coming out of the sides, patent and often somewhat attenuate.


Lithophytic, occurs in mid littoral zone, tide pools.

Distribution in India

Indian ocean (Esper, Marten,1866); Bombay, Karwar, Tuticorin, Krusadi Island, Pamban (Boergesen, 1934, 1937, 1938); Malvan Coast (Dixit, 1940); Mahabalipuram (Srinivasan, 1946; Lakshadweep, Amini, Kadamat, Androth and Minicoy Islands (Mehta et al, 1980).