Halichondria (halichondria) sp (1852) - Societe - Tahiti

Halichondria (Halichondria) sp. (OTU QM1852) OTU QM1852

Suberitida Halichondriidae

External characters

Spherical, bulbous.

Colour

White alive; white on deck; white in ethanol.

Skeletal Characters

Oscules Several, small, scattered over surface, slightly raised.
Texture Firm, barely compressible.
Surface_Ornamentation Lightly translucent; Even, unornamented, but subdermal drainage canals are barely visible beneath surface.
Ectosomal_Skeleton Paucispicular, tangential layer of oxeas frequently penetrated by multispicular tracts of oxeas from the choanosome. Scattered fine sand detritus may occur on the surface.SUBMultispicular tracts of up to 40 oxeas extend from the choanosome to the surface producing meshes of up to 1.5 mm in diameter.
Choanosomal_Skeleton Confused reticulation of uni- or paucispicular tracts of oxeas. Mesohyl collagen is light and homogeneous.
Megascleres Oxeas (2 size classes)
Microscleres nil.
Mudmap_Author J Hooper
Mudmap_Editor K Hall

Distribution

In French Polynesia: Society archipelago, Tahiti

In Pacific ocean: Australia

Ecology and habitat

In caves.

J Hooper (2014). QM1852 Halichondria (Halichondria) sp. (OTU QM1852) . 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).