One animal that every diver will have encountered, because they don't hide or swim away and are mostly brightly coloured: the sponge. Sponges are single or colonial animals which body bears many pores. Hence the name of its Phylum: Porifera (Latin porus, 'pore'; ferre, 'to bear').
by AgnesM
A true blue Melbourne seal doing what it does best... buzzing divers, Melbourne, Australia. Photocomp August '06 - Novice
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