Using the cameras of the ROVs, scientists can see stretches of twilight blue, with white specks dotting the view—marine snow, a shower of organic material floating down from the upper columns of the ocean. The area near the Davidson Seamount stretches from 3,100 to 3,600 meters deep, and is home to basaltic rocky reef. As they neared the end of a 35-hour dive, time was running short and they hadn’t seen much that was noteworthy.. And then, the team noticed a solitary periwinkle deep-sea octopus along a rocky outcrop, and then another. one scientist said, quickly followed by an adoring chorus of "Dumbo!" New technology has only recently allowed scientists to bring back dramatic high resolution images from the deep sea, offering researchers and the public an opportunity to witness the never before seen glimpses of rare marine species living in this largely cold, dark, and mysterious habitat. The octopus garden was discovered at the cold, dark depth of 12,000 feet in a rocky area at the base of Davidson seamount. Instead of the eggs being solid white, as they are at the start of development, they “could see eye spots and arms through the egg cases, and then… we saw two hatch, right in front of us. Cameras from ROVs Hercules and Argus captured the population dynamics at play. Davidson Seamount was the first to be characterized as a "seamount" in 1938 by the United States Board on Geographic Names, and was named in honor of the United Sates Coast and Geodetic Survey scientist George Davidson, a leader in charting the waters of the west coast. The second dive on March 27 took Chad King (MBNMS) and two pilots to a depth of 1,400 meters to the summit of Davidson Seamount where large bubblegum corals (>3 meters across) were observed and recorded. So, that was the dumbo octopus. Davidson Seamount is a seamount (underwater volcano) located off the coast of Central California, 80 mi (129 km) southwest of Monterey and 75 mi (121 km) west of San Simeon.At 26 mi (42 km) long and 8 mi (13 km) wide, it is one of the largest known seamounts in the world. From base to crest, the seamount is 7,480 ft tall, yet its summit is still 4,101 ft below the sea surface. It’s located about 50 miles off the coast of San Simeon in the Davidson Seamount Management Zone. Davidson Seamount lies about 80 miles southwest off the coast of Monterey. The Office of National Marine Sanctuaries has determined that the Davidson Seamount requires protection from the take of or other injury to benthic organisms or those organisms living near the seafloor because of the seamount's special ecological and fragile qualities and potential future threats that could adversely affect these qualities. Wow, look at that wonderful looking dumbo octopus in a largely unexplored area of Davidson Seamount, an inactive sea volcano. Davidson Seamount, California ... Scientists were able to check some of the eggs in the group near Costa Rica, and learned that most would not produce an octopus. In 2008, Monterey Bay National Marine Sanctuary was expanded to protect it. Marissa Garcia is a student at Harvard College and a Virtual Student Federal Service intern for NOAA’s Office of National Marine Sanctuaries. Technical Report: Threats Assessment, For a summary of deep-sea coral research, see: Davidson Seamount Management Zone Management Plan, To download the Davidson Seamount Management Zone Threats Assessment, see: Photo: OET/NOAA. Not only had the research team discovered an octopus nursery; they also discovered the first known warm water seep in Monterey Bay National Marine Sanctuary. The team estimates the octopus was about 60 centimeters long (2 feet). Scientists could see that many of the eggs looked healthy. Around the vents, the water temperature was as high as 50 degrees Fahrenheit. Each year that scientists embark on another expedition, cataloguing species and documenting the life of this seamount, is so important to the exploration off the California coast. In October 2018, researchers from Monterey Bay National Marine Sanctuary and Ocean Exploration Trust visited Davidson Seamount, planning to focus ROV dives on the outer ridges of the seamount. We observed over a thousand deep sea octopus (Muusoctopus robustus) while exploring Davidson Seamount with Monterey Bay National Marine Sanctuary. From base to crest, the seamount is 7,480 ft tall, yet its summit is still 4,101 ft below the sea surface. The Davidson Seamount inside the Monterey Bay National Marine Sanctuary is essentially an underwater mountain jutting 7,480 feet … Image courtesy of NOAA/MBARI. Just one other octopus nursery of this kind of scale is known, ... Three deep sea octopuses adopt a brooding position almost 10,500 ft deep in the Southeast Davidson Seamount. Images from this cruise are making their way to Web sites, and have already been exchanged with scientists on-shore to begin the description of what is probably a new species of branching sponge. The Davidson Seamount is a pristine undersea mountain habitat off the coast of Central California, 80 miles to the southwest of Monterey and 75 miles west of San Simeon. 2002 May 21. was found at 2,422 m depth next to an orange stalked crinoid (feather star) on the Davidson Seamount. At the seamount’s base, strong currents produce localized upwelling, sending nutrient-rich water from the deep to the sunlit waters above. So why would a mother octopus pick this spot to lay her eggs, and why would more than a thousand others join her? The seamount has special national significance relative to ocean conservation, ecological, scientific, educational, aesthetic, and historical qualities. The team was exploring the Southeast Davidson Seamount off the coast of California with Explorer Vessel Nautilus when they came across the incredible gathering of Muusoctopus robustus octopuses. The proximity of education and research institutions in the Monterey Bay region facilitate interdisciplinary collaborations that enhance research and education about this spectacular area. It is one of the largest known seamounts in U.S. waters, with a peak of 7,500 feet above the seafloor, and is the only seamount protected within the National Marine Sanctuary System. NOAA's national marine sanctuary offices and visitor centers are closed to the public while the waters remain open for responsible use in accordance with CDC guidance and local regulations. Some deep sea corals can live for several thousand years, making them the oldest organisms on the planet. This octopus is about two feet long. After leaving the whale fall, the team steered the ROV back to the ridgeline for more exploration. It was incredible to see baby octopus swim away.”, Octopuses and eelpouts bring new life to the whale skeleton. It’s exploring the deep-sea region within Monterey Bay National Marine Sanctuary using two remotely operated vehicles (ROVs), Hercules and Argus, to dive to depths exceeding 10,000 feet. Researchers have been cataloguing many new species since. An underwater mountain, it was the first undersea feature to be characterized as a “seamount,” in 1938. (NOAA) (6/12) A batfish strikes an intimidating pose, in the subtropical Atlantic, a region containing metallic nodules. This ghostly umbrella octopus drifted past the remotely operated vehicle a t a depth of nearly 11,000 feet near Davidson Seamount. Photo: OET/NOAA. Ecological Characterization & Habitat Modeling of the Davidson Seamount Fauna, To view the San Simeon Discovery Center video, see: Video: Natural Wonders of Davidson Seamount, To view and download high resolution images, see: SIMoN Photo Library (search by location: Davidson Seamount), For a summary of the 2006 Expedition, see: Website owner: National Ocean Service | NOAA | Department of Commerce. The species was identified as Muusoctopus robustus, a small deep-water ocotpus lacking an ink sac. King says, “Conservatively, in that 45 minute span, we saw over 1,000, easily.”. In conclusion, I will leave you with some data on the various species and the genus. I hope you enjoyed our look at this quirky and amazing genus. Whale falls, like this one, harbor a unique localized ecosystem, offering scavengers a menu of essential nutrients. nov.) on the Davidson Seamount at a depth of 1316 meters. It has been called "An Oasis in the Deep," hosting large coral forests, vast sponge fields, crabs, deep-sea fishes, shrimp, basket stars, and high numbers of rare and unidentified benthic species. Muusoctopus, curled up in brooding position, line the rocky outcrops. This curious octopus (Benthoctopus sp.) crawling on it, several white ruffle sponges (Farrea occa), and a new species of white-branched sponge (Asbestopluma sp. Deep ocean water is typically cold, only slightly above freezing, at 35 degrees Fahrenheit. The Davidson Seamount is a pristine undersea mountain habitat off the coast of Central California, 80 miles to the southwest of Monterey and 75 miles west of San Simeon. The scientists were curious about what else they would find on the mountain’s flanks. Davidson Seamount is located southwest of Monterey Bay. Beneath the surface of the Pacific Ocean stands a massive yet extinct volcano called the Davidson Seamount. Davidson Seamount is populated with a diversity of deep-sea corals, most of which have other species associated with them. Bush, it originally did not include Davidson Seamount. Never before seen in these massive aggregations, most female octopus were resting in a brooding posture, tucked into rocks with eight arms inverted covering their bodies and eggs. This underwater goliath lies 75 miles west of San Simeon, Ragged Point and Gorda, stretching 26 miles long and 8 miles wide. In October, explorers made a surprise discovery in Monterey Bay National Marine Sanctuary – an octopus community near an undersea mountain. It’s also known as a dumbo octopus, for its fins that look like large ears. Then, for eight hours, you get to look around and write down what you see and then you’re done. Davidson Seamount Management Zone (DSMZ): NOAA's national marine sanctuary offices and visitor centers are closed to the public while the waters remain open for responsible use in accordance with CDC guidance and local regulations. Why, in this otherwise relatively deserted seascape, was there suddenly so much life all at once?”. News & Upcoming Events. Between October 13 and 18, 2019, E/V Nautilus will be returning to Davidson Seamount in the Monterey Bay National Marine Sanctuary (MBNMS) after an eventful discovery last October. Facts and Figures. Tags: monterey bay national marine sanctuary, octopus, gray octopuses, davidson seamount, california Related Stories Octopus on ecstasy behaves the same as human, reveals secret genetic link Even though these expeditions take place at great depths under the sea surface, the ROV dives are live-streamed so anyone can feel like they’re aboard the Nautilus, sitting alongside King and his research team. Davidson Seamount. An estimated four months after its descent to the seabed, the whale fall was already fostering a new purpose, feeding crabs, eelpouts, and Muusoctopus octopuses. These nutrients fuel an explosion of planktonic plant and animal growth, and can attract whales, sharks, and seabirds to a booming feast on the surface. Mushroom soft coral with feeding polyps extended on the Davidson Seamount, at 1,470m below. Sanctuary Research at Davidson Seamount, For a summary of seamount characterization research, see: As part of the 2008 Management Plan for the MBNMS, a boundary change includes the undersea mountain as the Davidson Seamount Management Zone (DSMZ). They look forward to understanding how these deep-sea ecosystems change over time. Diving at a depth of more than 3,000 meters (9,800 feet), in 2018 our team discovered more than a thousand deep-sea octopods in never-before-seen aggregations. Orange stalked crinoid and octopus (Graneledone boreopacifica) at 1973 meters water depth. King says this is only the second cluster of brooding octopuses ever found and by far the largest. An underwater mountain, it was the first undersea feature to be characterized as a “seamount,” in 1938. Taxonomic Information Octopuses abound, and whale falls foster new micro-ecosystems, recycling nutrients in the sea. At Davidson Seamount, roughly two miles below the surface of the Pacific Ocean, the Exploration Vessel Nautilus discovered the largest deep-sea octopus nursery ever found in our world’s oceans. During the Nautilus exploration of the whale fall, which was live-streamed for the public, a scientist tells viewers, “You are a part of our exploration in real time right now. We observed over a thousand deep sea octopus (Muusoctopus robustus) while exploring Davidson Seamount with Monterey Bay National Marine Sanctuary. While using a remotely operated vehicle to explore the Davidson Seamount, as the area is known, a team of researchers recently caught sight of one such creature: the rarely-seen dumbo octopus. Davidson seamount is a 7,000-foot-tall underwater mountain with its highest peak at 4,000 feet below the surface. “Just like when you see a mirage or waving light off hot asphalt in the summer,” King recalls. On a later trip using the submersible, Alvin, King and his colleagues returned to the octopus garden with tools that could measure the temperature of the water seeping out of the vents. The research team hopes to venture back to Davidson Seamount this fall. Many were tucked into rocks near shimmering fluid seeps, … The seamount is home to more than 20 species of cold-water corals, including bamboo corals over 200 years old. In 2008, Monterey Bay National Marine Sanctuary was expanded to protect it. The third and final dive took Chad King and two pilots to a depth of 3,241 meters back to the “Octopus Gardens.” Researchers are only just beginning to uncover the rich biodiversity of the region. Huddled close to rocks, many of the females were seen in an “inside-out” body position, which indicated that they were brooding. This was a whale fall, where several deep-sea octopuses and other creatures were busy feasting upon the remains of a whale on the seabed. And the “snow” is fitting—as a whale skeleton inches into view, scientists aboard the Nautilus erupt into excitement, exclaiming, “It’s like Christmas morning for deep sea explorers right now!” This was a whale fall, where several deep-sea octopuses and other creatures were busy feasting upon the remains of a whale on the seabed. “It was just like euphoria set in the control room,” King describes. Fly-trap anemone (Family: Hormathiidae) on the slope of the Davidson Seamount at 1,874 m. Number of Corals Identified at Designation. At 26 miles long and 8 miles wide, it is one of the largest known seamounts in U.S. waters. Sometimes called an umbrella octopus, this was the first sighting of this species in this region. SIMoN: Seamounts and Banks, To download the Technical Report Davidson Seamount: A National Treasure, see: The images from the 2002 Davidson Seamount expedition excited the public and motivated protection of deep-sea corals and seamounts. Scientists wonder what’s special in that area of the Davidson Seamount. They don’t know if it’s … The seamount’s summit is known for high concentrations of deep-sea corals, while the foothills had been relatively unexplored. An underwater mountain, it was the first undersea feature to be characterized as a “seamount,” in 1938. King reflects, “There’s certainly hot water vents off of Mendocino, off of Oregon, and a couple of other areas off the West Coast, but nothing like this.” This speaks to discoveries still left to be made—with each deep dive, scientists learn more about these organisms and unique ocean conditions that they had never expected to find as close to the central California coast. Exploration: Davidson Seamount, For information on George Davidson, see: Out of time, they began their journey back up to the surface. It’s also home to corals and sea sponges the size of sofas. Davidson Seamount: Exploring Ancient Coral Gardens. With an estimated over 1,000 ockies spotted, the area at the Davidson Seamount has now been confirmed as the largest deep-sea octopus nursery every discovered. Questions began flooding King’s mind. While near Davidson Seamount, King and his research team found the first evidence of developing eggs in an octopus garden. They instead discovered the unexpected: a whale fall. Octopuses observed at the Davidson Seamount, an ocean … When the researchers found the skeleton, only some of the flesh and vascular tubes remained. The first research survey to Davidson Seamount, a collaboration between NOAA and the Monterey Bay Aquarium Research Institute (MBARI), did not occur until 2002. Their current expedition is a survey of the Davidson Seamount, an extinct volcano in Monterey Bay National Marine Sanctuary. Related Links. Image: NOAA. The discoveries did not end there. (No, it’s not octopi.) … From base to crest, the seamount is 7,480 ft (2,280 m) tall, yet its summit is still 4,101 ft (1,250 m) below the sea surface. We know they’re all around that summit area, and we want to go back.”, Deep-sea expeditions such as this uncover new discoveries, such as this octopus garden. Scientists aboard the E/V Nautilus were exploring the Davidson Seamount, an inactive undersea volcano off the coast of California, when the spectral octopus greeted their submersible. Davidson Seamount lies about 80 miles southwest off the coast of Monterey. The seamount is part of the Monterey Bay National Marine Sanctuary, which stretches along the Central Coast from the Golden Gate Bridge in San Francisco to Hearst Castle near San Simeon. The crew of the Nautilus is heading back … Visit the following web sites for more information on the Davidson Seamount: To download the Davidson Seamount Management Zone Management Plan, see: It’s mid-October 2019, and the Exploration Vessel (E/V) Nautilus is on its last expedition of the season. Map of MBNMS with Davidson Seamount in the front. Dr. M November 11, 2018 Brooding California Davidson Seamount nursery Octopus Pacific sanctuary Seamount A yellow sponge (Staurocalyptus sp. "Oh my god is that the little Dumbo?" It was a smart call. We are following local and departmental guidance, and will continue to … “We peered off into the darkness down the slope, we could still see octopuses as far as we could into the darkness. Biodiversity abounds on Davidson Seamount. The boundary change adds a 775 square mile area to the MBNMS, increasing the MBNMS area to 6,094 square miles. The encounter was an incredibly exciting addition to our knowledge about grimpoteuthis and the biodiversity at Davidson Seamount. Just a few hundred yards from exploring a new peak, they found more rows of octopuses lined up in the cracks of the cliffs. Then, invertebrates colonize the skeleton and microbes feed on sulfides from the bones. On the agenda is a return to the octo-cone to collect more water samples and revisit the whale fall. When a whale dies at sea, its body sinks to the seafloor and begins to decompose. California, Davidson Seamount. That was not true for the octopuses on the Davidson Seamount. In 2019, the research team had another dive planned to revisit the octopus garden, equipped with long-term temperature loggers, oxygen loggers, and water samplers. Related Links In Costa Rica, researchers had been unable to gather evidence of how deep-sea octopus eggs develop. At 26 miles long and 8 miles wide, it is one of the largest known seamounts in U.S. waters. Biodiversity abounds on Davidson Seamount. But the proposed Sanctuary plan does not protect the waters above the seamount (from the surface to 3,000 feet down fishing is allowed). Davidson Seamount lies about 80 miles southwest off the coast of Monterey. The Davidson Seamount has often been called an Oasis of the Deep, filled with fragile deep sea corals below and teeming above with marine life such as whales, seabirds, sea turtles, tuna, sharks, and swordfish. George Davidson (1825-1911): Pioneer Scientist and Surveyor, For information on Seamounts and Banks in west coast sanctuaries, see: The team hypothesized that the nearby venting water was warmer, a shocking discovery considering how the volcanic seamount was thought to be inactive. However, that octopus garden only had about 156 individuals. "This has never been discovered on the West Coast of the US, never in our sanctuary and never in the world with these numbers," Chad King, a lead scientist on the exploration vessel Nautilus , told KQED News . You are seeing and observing and making these calls with us just at the same speed as our scientists.” As the whale fall was uncovered near Davidson Seamount, viewers could feel like they were having the same experience as a field scientist, connected to a rarely seen ecosystem 10,000 feet below the surface. Deep-sea octopus along the seafloor near Davidson Seamount. If you’ve done several ROV dives there, you’ve still barely seen anything.”, King says that diving with an ROV on Davidson Seamount is “like being dropped in a national park with a couple of powerful flashlights. Deep-sea octopuses discovered near Davidson Seamount at 3300 meters below. The Final Rule, which includes the boundary expansion, is available at http://montereybay.noaa.gov/intro/mp/welcome.html. More information on the response from NOAA's Office of National Marine Sanctuaries can be found on sanctuaries.noaa.gov/coronavirus/. More information on the response from NOAA's Office of National Marine Sanctuaries can be found on sanctuaries.noaa.gov/coronavirus/. Sanctuary Offices & Visitor Centers Are Now Closed to the Public. “Within minutes, that’s when we started seeing hundreds and hundreds of these octopuses,” recalls King. Although the Monterey Bay National Marine Sanctuary was established in 1992 by President George H.W. First, we saw a small group of octopuses tucked into bowling ball sized … Exploring Davidson Seamount is a crucial next step toward learning how to protect and conserve important places in our ocean and promote healthy ecosystem management. In 2008, Monterey Bay National … “Even though we have a lot of beautiful imagery and we’ve been there more than a few times, you can imagine a mountain that is 26 miles long by 8 miles wide and 8,000 feet tall. Seamounts—where underwater volcanoes emerge from the seafloor—are oases of the deep ocean, hotspots for biodiversity both above and below the surface. The answer came in a glimpse of a shimmer. The octopus gardens are located two miles below the ocean’s surface near an extinct underwater volcano called the Davidson Seamount. Davidson Seamount: Exploring Ancient Coral Gardens — … Only one other “octopus garden” has been discovered, over 3,000 miles away in the waters near Costa Rica. (Image credit: Ocean Exploration Trust/NOAA) Commonly known as the dumbo octopus, the animal was traveling at about 10,870 feet (3313 meters) below the surface of the ocean at the Davidson Seamount. Osedax worms, a translucent pink with white tips, dissolve the bones and metabolize the lipids, with the help of symbiotic bacteria that live within their body. And it’s like, ‘Okay, what’d the whole park look like?’”. As a result of management plan revision, a seven-year process involving public input and agency collaboration, Monterey Bay National Marine Sanctuary (MBNMS) expanded to include the Davidson Seamount in 2008. They had discovered a second octopus nursery: the octo-cone. Technical Report: Davidson Seamount: A National Treaure, http://montereybay.noaa.gov/intro/mp/welcome.html, Davidson Seamount Management Zone Management Plan, Ecological Characterization & Habitat Modeling of the Davidson Seamount Fauna, Video: Natural Wonders of Davidson Seamount, Davidson Seamount: Exploring Ancient Coral Gardens, George Davidson (1825-1911): Pioneer Scientist and Surveyor, Technical Report: Davidson Seamount: A National Treaure, National Oceanic and Atmospheric Administration. The Seamount is an extinct volcano that last erupted about 10 million years ago. As they were patrolling a previously unexplored rocky outcropping on the southeast side of the seamount, our little buddy drifted into view. “There’s a lot of stuff we haven’t characterized there,” says Chad King, research specialist at Monterey Bay National Marine Sanctuary. Davidson Seamount Management Zone addition to the Monterey Bay National Marine Sanctuary. Davidson Seamount is one of the largest and best-explored seamounts, standing at an astonishing 7,480 feet tall yet 4,101 feet below the surface. Monterey Bay National Marine Sanctuary scientists are working toward creating a body of knowledge that will hopefully build expertise for other marine scientists, investigating similar questions in their quest to better understand the ocean. Photo: OET/NOAA. In a different area of similar depth, scientists observed over a thousand Muusoctopus robustus octopuses nestled among the rocks. Davidson Seamount: Exploring Ancient Coral Gardens, For a summary of the 2002 Expedition, see: nov.) new to science, an orange basket star (Gorgonocephalus sp.) Less than one percent of Davidson Seamount has been studied so far, but already scientists have uncovered astounding examples of biodiversity. Only 45 minutes remained in the dive, and after referring to a bathymetric map, King made the decision to venture to the seamount’s steeper side, to the east. First, scavengers consume the whale’s soft tissue. "Oh my gosh!" Julia Pfieffer Burns State Beach . Soon, the ROV glided across a cluster of about 25 brooding female octopuses. Later, as we were nearing the end of the 30-plus hour dive, we made a stunning discovery. `` Oh my god is that the nearby venting water was warmer, a small deep-water ocotpus lacking ink. Garden” has been studied so far, but already scientists have uncovered astounding examples of biodiversity 2002 Davidson,! 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