Underwater Gardening: Coral Reefs and Aquaculture Animals Citizen Science Environment Oceanography 

Underwater Gardening: Coral Reefs and Aquaculture

By Shayna Keyles Twitter @shaynakeyles Instagram @shaynakeyles Our oceans are home to most of the world’s biodiversity, and 25 percent of its diversity thrives in coral reefs—that’s about two million species that call the reefs their home. But as reefs suffer the effects of climate change and globalization (several Caribbean reef-building species are now considered endangered), their ecosystems suffer, too. Fish colonies that provide food for coastal communities dry up, and the natural barriers that the reefs create become less effective, leading to more destruction in the wake of tropical…

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Dolphins at sunset along the Indian River Lagoon (Photo courtesy of Harbor Branch Oceanographic Institute, Florida Atlantic University) Animals Biology Oceanography 

Dolphins and Their Social Networks

By Kate S. They don’t have Twitter accounts, but dolphins are able to form highly complex and dynamic networks of friends, according to a recent study by scientists at Harbor Branch Oceanographic Institute (HBOI) at Florida Atlantic University. Indian River Lagoon Dolphins Dolphins are known for being highly social animals, so the research team took a closer look at the interactions between bottlenose dolphins in the Indian River Lagoon and discovered how they mingle and with whom they spend their time. The Indian River Lagoon is a narrow 156-mile long…

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Bluefin Tuna at the Hopkins Marine Station, Monterey Bay Aquarium in California (©Monterey Bay Aquarium/Randy Wilder) Animals Biology Oceanography 

Tuna Stay Warm with Cold Hearts

The heart of a bluefin tuna keeps pumping during extreme temperature changes that would stop a human heart, according to a joint team of scientists from the University of Manchester and Stanford University. Pacific bluefin tuna are top predators renowned for their epic migrations across the Pacific Ocean. They are also unique amongst bony fish as they are warm bodied (endothermic) and can raise their core body temperature to 20°C above that of the surrounding water. They can also dive down into much colder water 1000 meters or more below…

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