Liosina paradoxa

Appearance

Exposed, directly attached to substrate, thinly encrusting, soft, flexible, compressible, easily torn; brownish grey coloration, grey after preservation; unornamented surface. Ectosomal skeleton consists of thick pigmented granules; oscules small and distributed all over the surface, ostia not visible; choanosomal structure is of “halichondroid” type; siliceous spicules scattered irregularly in mesohyl. Spicules are megascleres, entirely smooth, strongyle (length = 310-451 ± 59.65 μm, width = 5-8 ± 1.8 μm), microscleres absent.

Distribution

Widely spread in the western Indo-Pacific region, and also in certain zones of Indonesia and Micronesia.

Habitat

Intertidal zone in muddy shallow water.