Dactylospongia elegans - Marquises - Nuku Hiva

Dactylospongia elegans OTU QM1514

Dictyoceratida Thorectidae

External characters

Thickly encrusting mat, massive cushions..

Colour

yellowish brown living; Dark olive-grey in ethanol. Ext: moss green, Int: bright yellow.

Skeletal Characters

Oscules Slightly raised, scattered over surface.
Texture Very tough.
Surface_Ornamentation Covered with small truncate projections connected by minute ridges.
Ectosomal_Skeleton membranous, with refractile granules.
Choanosomal_Skeleton Close meshed secondary fibre skeleton with tertiary fibre skeleton scattered throughout. Fibres clear and lack lamellation.
Megascleres nil.
Microscleres nil.
Mudmap_Author J Hooper
Mudmap_Editor K Hall

Ecology and habitat

In Marquesas, on the rocky slope.

In Tuamotu, on the outer reef slope and in the lagoon on the pinnacles.

Distribution

In French Polynesia: Marquesas and Tuamotu islands.

Hooper, J.N.A. (2009). QM1514 Dactylospongia elegans  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).