Phycopsis sp - (1640) - Tuamotu - Rangiroa

Phycopsis sp. (OTU QM1640) OTU QM1640

Axinellida Axinellidae

External characters

arborescent, with erect digitate branches.

Colour

bright orange-red in life; greyish-beige in ethanol.

Skeletal Characters

Oscules small, between numerous surface conules.
Texture firm, compressible.
Surface_Ornamentation many regular bifircate surface processes, producing a Reniochalina-type surface.
Ectosomal_Skeleton plumose brushes of spicules protrude through surface, push surface membrane into conules.
Choanosomal_Skeleton plumo-reticulate, without axial compression; primary fibres multispicular, ascending, plumose, spongin, cored by styles; primary fibres interconnected by paucispicular, transverse, secondary fibres cored by styles; light, granular collagen in mesohyl.
Megascleres styles: slightly subtylote.
Microscleres nil.
Mudmap_Author Queensland Museum
Mudmap_Editor Kathryn Hall

Distribution

In French Polynesia: Society, Tuamotu and Marquesas islands

Pacific ocean: Australia, Fiji, Palau, Papua New Guinea, Solomon islands, Vanuatu

Ecology and habitat

Mainly on the outer reef slope, or on the rocky wall/slope in Marquesas.

On pinacles in the lagoon in Tuamotu islands