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The study of coral diseases, coral pathogens, and the effects of diseases on tropical and subtropical coral reefs are all current, high-profile research areas. This interest has grown steadily since the first report of a coral disease in 1973. The author of this report was Arnfried Antonius and the publication was an abstract in the proceedings of a scientific meeting of the Association of Marine Laboratories of the Caribbean, or AMLC (then known as the Association of Island Marine Laboratories of the Caribbean). Since Antonius’ pioneering communication he continued working on coral diseases on reefs throughout the world, often documenting the first observation of a novel pathology in a novel location. Each of the coral diseases Antonius first described, in particular black band disease, is the subject of current and ongoing investigations addressing pathogens, etiology, and their effects on coral reefs. Many of the points and observations he made in his early papers are highly relevant to research today. This paper reviews aspects of Antonius’ early work, highlighting contributions he made that include the first in situ experimental studies aimed at discerning coral epizootiology and the first quantitative assessments of the role of environmental factors in coral disease. Antonius’ early findings are discussed in terms of relevant current controversies in this research area.


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