These two images visually illustrate the difference
in appearance between coral bleaching (above) and
coral disease (below). Snails grazing on coral leave
a scar that looks exactly the same as the diseased
coral. The best way to determine between snail grazing
and coral disease is to catch the snails in action
.
RKB14 06/18/01 image 11
It is very significant that young
corals such as this are dying.
The future of the living elkhorn coral on this reef
will be in jeopardy if this continues.