Text and Photos By J. Charles Delbeek During the summer of 2007 I was fortunate to be invited to join a workshop of coral experts organized by the International Union for Conservation of Nature (IUCN). The purpose of this workshop was to examine the status of stony...
By J. Charles Delbeek M.Sc. (1) and John E. Randall PhD (2) 1. Senior Biologist, California Academy of Sciences, Steinhart Aquarium 2.Professor Emeritus, Bishop Museum, Honolulu, Hawaii When it comes to keeping marine fish, hobbyists often state with pride how they...
By Francis Yupangco Charles’ interest for the sea began at an early age. He was captivated watching Jacques Cousteau documentaries in the 1960’s. His journey into the aquarium hobby began when he was 10 with his father’s 5 gal metal framed aquarium and a breeding pair...
By J. Charles Delbeek, M.Sc. When one thinks of coral reefs, images of gin clear, nutrient poor blue water spring to mind. While there are certainly many examples of this, there are also many more examples of coral reefs in less clear, nutrient rich waters. However,...
Founded in 1904, the Waikiki Aquarium is the third oldest public aquarium in the United States. As can well be imagined, during its 102 year history the Aquarium has exhibited a wide variety of fish and invertebrates, many of them for the first time anywhere in the world.…
One of the major changes that have occurred in reef keeping over the last 10 years has been the increase in the number of aquarists who feed their corals. There has been an explosion in the number of products designed to provide live foods, mainly phytoplankton, to the reef aquarium.…
Since I last wrote in this column (Octber 2003), much has appeared in the scientific literature. As you can see by the several pages of references below, many of these would be worthy of further description.…
In this paper, the authors examined the impact on coral growth and reproduction of fish farm effluent in the Gulf of Aqaba (Eilat) in the Red Sea. The commonly held belief is that high particulate and nutrient levels released by such operations are damaging the corals on the local reefs.…
It is commonly held that depth distributions of stony corals are mediated by environmental factors such as light levels and water motion, as well as biological interactions such as competition and predation.…
The January 2003 issue of Limnology and Oceanography (48:1) has a special section, part 2, which contains papers that deal with light in shallow waters including ultraviolet, and how this can affect remote sensing.…