John Turner, Ph.D has been collecting fecal samples from the parrotfish to study stress in this species of reef fish, and thus to determine whether the entire reef is experiencing stress. This photo of a Queen Parrotfish was taken among the coral reefs in the U.S. Virgin Islands.
Lionfish, a beautiful exotic species from the Indo-Pacific region, began appearing in the Atlantic Ocean in the 1980s, possibly due to pet owners releasing them into waters. Since then the Lionfish have multiplied massively, eating smaller fish and out-competing fish like Grouper for food. Meanwhile they have no predators, giving them the moniker “Darwin’s Nightmare.” A group of people have developed a robot that will electrocute and collect the Lionfish. >>> Article from PBS Newshour
President Obama will create the largest marine protected area in the world, Papahānaumokuākea national monument surrounding the remote Northwestern Hawaiian Islands. The protected area will cover 582,578 square miles and provide protections to more than 7,000 marine species, including monk seals, whales, sea turtles, and black coral. >>> Article
Fish urine contains phosphorous, which coral reefs need. Fish also excrete ammonium through their gills which is an essential nutrient for coral reefs. So the decline of fish populations due to over-fishing can present a problem. >>> Article