Habitat: In Bocas found only on the top of the peat bank. Distribution: Caribbean and Florida. Characteristics: Massive to lobate sponge, typically 10-15 cm in diameter, from which thick-walled oscular chimneys (3-5 cm high) arise. Oscules 0.5-2 cm in diameter. Surface smooth. Consistency elastic compressible but easily torn; pronounced mucus strands appear when fragments are torn apart.