Marine Explorer: Love the texture - Sandy sponge #marineexplorer
Marine Explorer: Sponges, one covered in hydroids, entoprocta or bryozoa? #marineexplorer
Marine Explorer: Purple sponge
Marine Explorer: Metropolis
Marine Explorer: Sponge pipes
Marine Explorer: Hydroids growing around sponge
Marine Explorer: Sponge garden #marineexplorer
Marine Explorer: Sponge and red algae rock
Marine Explorer: Honeycomb sponge and ascidians Holopsamma laminaefavosa
Marine Explorer: Crazy wall
Marine Explorer: Hula chaos - Trachinops taeniatus
Marine Explorer: Honeycomb sponge
Marine Explorer: Wall of colour #marineexplorer
Marine Explorer: Boulder at Bondi #marineexplorer
Marine Explorer: Suspense #marineexplorer
Marine Explorer: Orange sponge
Marine Explorer: Sponge cave
Marine Explorer: Cream sponge
Marine Explorer: Sponges and octocorals
Marine Explorer: Wriggly encrusting sponge
Marine Explorer: Sponges and ascidians
Marine Explorer: Slimy lemon sponge Mycale mirabilis (L)
Marine Explorer: Assorted sponges
Marine Explorer: Where's the fruit? Bowl sponge #marineexplorer
Marine Explorer: Sponges
Marine Explorer: Marine sponges - nature's spectacular medicine treasure trove #marineexplorer
Marine Explorer: Big sponges
Marine Explorer: Sponge and not sponge - giant sea tulip ascidians Pyura spinifera #marineexplorer
Marine Explorer: Sponges, Kurnell
Marine Explorer: North Head Cup-like Sponges #marineexplorer