Photos from a marine wonderer
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Black sponge (Ircinia spinosa)

black_sponge.JPG Brush sponge (<i>Ciocalypta penicillus</i>)ThumbnailsOrange agelas (<i>Agelas oroides</i>)

Quite a common sponge and easy to spot as it is often out in the open, encrusting rocky reefs. Can grow quite large. This example is well over 30 cm in length.