Dysidea sp (4866) - Societe - Tahiti

Dysidea sp. (OTU QM4866) OTU QM4866

Dictyoceratida Dysideidae

External characters

elongate cylindrical digitate growth form with multiple points of attachment to the substrate, and incorporating rubble, suggesting it is found on rubble substrates rather than reef

Colour

pale grey brown on deck

Skeletal Characters

Oscules very small, collapses in air
Texture harsh, compressible, soft
Surface_Ornamentation surface prominently conulose with sharp conules and filamentous tips
Ectosomal_Skeleton ectosome with an irregular light spatter of detritus but not equivalent to a crust
Choanosomal_Skeleton choanosomal skeleton with some large spongin fibres, wide meshes and vaguely reticulate, with partial core of spicule fragments (but not all fibres and occupying only a small part of their diameter), and the light mesohyl also containing abundant foreign spicules of just about every variety (a sediment trap)
Megascleres Nil
Microscleres Nil
Mudmap_Author JNA Hooper
Mudmap_Editor K Hall

Distribution

In French Polynesia: Tahiti

Ecology and habitat

In Caves.

Hooper, J.N.A. (2014). QM4866 Dysidea sp. 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).