Description
Experienced hobbyists are well aware of the delicate nature of the soft tissue that constitutes the living coral polyp, particularly in the case of stony corals. Inspection of a bare stony coral skeleton often reveals a very convoluted and sharp structure; when coral tissue is inadvertently pressed against such a structure, the resulting local tissue damage can create an entryway for infection and/or infestation by organisms that would otherwise be combated by the coral’s immune system. Physical




