Haliclona sp - (4871) - Societe - Tahiti

Haliclona sp. (OTU QM4871) OTU QM4871

Haplosclerida Chalinidae

External characters

low rounded bulbous lumps fused and forming a tubular growth form that is encrusting on coral rubble

Colour

pale beige alive, darker brown on deck

Skeletal Characters

Oscules each bulb with a small terminal oscule, not raised above the surface
Texture harsh, compressible
Surface_Ornamentation surface smooth and even
Ectosomal_Skeleton ectosomal skeleton membranous, with uncored secondary spongin fibres tangential to the surface and occasional primary spongin fibres with none, uni- or paucispicular tracts ascending to and slightly protruding through surface as small microconules
Choanosomal_Skeleton choanosomal skeleton composed of thicker primary fibres and thinner secondary fibres either with or without unispicular tracts, together forming irregular oval to rectangular, elongate or triangular meshes, relatively cavernous, and with well developed collagen fibres, and very light collagen mesohyl
Megascleres megascleres vestigial very thin, short to medium length ranging from oxeas to strongyloxeas, restricted to within fibres
Microscleres microscleres 2 size classes of c-sigmas
Mudmap_Author JNA Hooper
Mudmap_Editor K Hall

Distribution

In French Polynesia: Society islands

Ecology and habitat

In caves

JNA Hooper (2014). QM4871 Haliclona sp. (OTU QM4871) . 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).