Ecionemia acervus Bowerbank, 1862

Fig. 21

Description.

Massive or thickly encrusting sponges without a distinct cortex. Megascleres are triaenes of different types and large oxeas. Microscleres include spiny microrhabds in addition to euasters. Microrhabds usually form a dermal layer (Uriz 2002).

Distribution and ecology.

Indo-Pacific, Australia, New Zealand. This species is common in the Indo-Pacific (Uriz 2002). Our specimen was collected from Langkai Island, the Spermonde Archipelago; reef flat.