Spheciospongia potamophera (4844) - Tuamotu - Fakarava

Spheciospongia potamophera OTU QM4844

Clionaida Clionaidae

External characters

Thinly encrusting, probably excavating surface of coral substratum

Colour

orange alive, reddish or red-orange on deck

Skeletal Characters

Oscules few, large flaccid, raised on membraneous bulbs
Texture velvety, soft, slimy to touch
Surface_Ornamentation smooth
Ectosomal_Skeleton thick crust of spirasters and denser collagen in ectosomal skeleton, with tylostyles barely protruding through surface
Choanosomal_Skeleton choanosome with moderate collagen, abundant spirasters and brushes of tylostyles running in longitudinal tracts within choanosome, and paratangentially near periphery, supporting the ectosomal sksleton
Megascleres long thin tylostyles with slightly swollen tyle which is predominantly terminal
Microscleres spirasters of two sizes and morphologies, the larger with large spines forming a capital E-shaped, the smaller with small spines and shaft double S-shaped
Mudmap_Author J Hooper
Mudmap_Editor K Hall

Ecology and habitat

in the lagoon, on pinnacles.

Distribution

In French Polynesia: Tuamotu islands.

Hooper, J.N.A. (2014). QM4844 Spheciospongia potamophera  In: Hall, K.A. & Hooper, J.N.A. (2014) SpongeMaps: an online community for taxonomy and identification of sponges. (Available at http://www.spongemaps.org).