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There is a lot of BS in the world, and reef keeping is no exception. This talk will go over the different flavors of reef BS and how not to get it all over you.
Richard Ross is known for his “Skeptical Reefkeeping” article series, his groundbreaking work with cephalopod husbandry, coral spawning & restoration, entertaining and informative talks, his ultra high nutrient home reef, for managing the ambitious 212,000 gallon reef tank and the Coral Spawning Lab at the Steinhart Aquarium in the California Academy of Sciences. Richard was presented with the MASNA Aquarist of the Year award in 2015, and his work has been covered by Scientific American, National Geographic, Penn’s Sunday School, NPR’sScience Friday, Animal Planet, Discovery News and Fox News
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From Wired by
(Local copy of the video available here)
Nestled among giant fish tanks at the California Academy of Sciences, there’s a black box—just big enough to hold six aquariums and maybe five humans. What it lacks in size, though, it makes up for in preciousness: Running here is a experiment that could help save corals from annihilation.
The corals in these tanks are reproducing sexually. Which is weird, because even out in the wild, coral spawning is a fragile process, easily disrupted by changes in temperature and acidity. Reproduction has to be precisely timed with the phases of the moon, and it occurs just once a year, as corals release great clouds of sperm and eggs that mix together, fertilize, and descend once more to the seafloor.
Corals are animals, not plants; each organism is made up of lots and lots of polyps. Some species can reproduce asexually, essentially producing clones of themselves. But not the ones in this black box, which are somehow spawning away thanks to some fancy technology and a team of doting humans.
Researchers have brought gravid corals back to the lab before, where they immediately got down to business. But the Academy of Sciences is on the verge of establishing a more permanent population that could reproduce year after year, allowing researchers to perform crucial long-term studies. That’d make this only the second lab to do so, after London’s Horniman Museum. If it works, these scientists could turn corals in model organisms, like fruit flies and mice. They’d have a reliable population to study in detail over multiple generations.
“We built this whole dark room, but that’s only the first part of it,” says Rich Ross, aquarium biologist at the Academy. “What really comes into play is controlling the light—the moonlight, the temperature, and the intensity of all that light. The coral spawn is triggered by all of those factors.” (more…)