A tasselled wobbegong shark (Eucrossorhinus dasypogon) is seen lying on the substratum with the head of a brown-banded bamboo shark (Chiloscyllium punctatum) in its mouth in this handout photo taken during an underwater visual census of fishes on the fringing reef of Great Keppel Island on the Great Barrier Reef, Australia August 1, 2011. Generally, E. dasypogon is known to prey upon invertebrates and small fish, but this unusual field