5.6     Acanthascus

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Acanthascus sp. (right), Staurocalyptus sp. (left, both sponges ~20cm high

Close-up of Acanthascus

Acanthascus sp. beside a dead Heterochone calyx

Acanthascus sp. and Aphrocallistes vastus

Acanthascus sp. (white sponge) and some small individuals of Rhabdocalyptus dawsoni, showing the biotic jungle