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Beneath the Waves - Seamount Blogs

Peruse our blog posts about seamounts in Californian waters and beyond!

Setting Sail: Exploring Seamount Habitats in the Pacific Remote Islands

By Madeleine Serkissian | August 29, 2019

Featured Pic: The Exploration Vessel (E/V) Nautilus. Photo courtesy of Ocean Exploration Trust. By Samuel Georgian, Marine Biogeographer at Marine Conservation Institute On August 25th, Marine Conservation Institute staff scientist Samuel Georgian will join a 22 day-long deep-sea research expedition onboard the E/V Nautilus. The cruise is collaborative effort with scientists and support from a wide array…

Sharks on Seamounts

By Madeleine Serkissian | July 30, 2019

By Nikki Harasta, Marine Conservation Institute Science Intern   Sharks are incredibly important components of many different marine ecosystems. Unfortunately, sharks often enter our consciousness only when a shark attack on a beachgoer makes the news. Take a closer look at the numbers however, and you’ll see that they’ve been given a bad rap. The…

Taney Seamounts: Collapsed Calderas and New Species

By Madeleine Serkissian | May 7, 2019

Featured Pic: Chaunacops coloratus, a rare species of anglerfish discovered in 1891and filmed in the wild for the first time at the Taney Seamounts. Photo courtesy of NOAA. By Samuel Georgian, Marine Biogeographer at Marine Conservation Institute   The Taney Seamounts are a chain of five seamounts spanning a distance of 33 miles across the seafloor off…

Rodriguez Seamount – A Geologic Rarity

By Madeleine Serkissian | May 2, 2019

Featured Pic:  Pillow lava, a unique type of basalt rock that forms during underwater volcanic eruptions. Photo courtesy NOAA. By Samuel Georgian, Marine Biogeographer at Marine Conservation Institute   Rodriguez Seamount is a 10–12 million-year-old seamount located approximately 42 miles off the coast of southern California. It towers over a mile above the seafloor, with its tallest…

San Juan Seamount: An Ancient Archipelago

By Madeleine Serkissian | April 26, 2019

Featured Pic:  The remotely operated vehicle (ROV) Hercules explores the San Juan Seamount. Photo courtesy of Ocean Exploration Trust. By Samuel Georgian, Marine Biogeographer at Marine Conservation Institute   San Juan Seamount Seamounts are massive underwater mountains – usually extinct volcanoes – that tower thousands of feet above the seafloor. Some seamounts however, including the San Juan…

Gumdrop and Pioneer Seamounts – Offshore Seabird Havens

By Madeleine Serkissian | April 18, 2019

Featured Pic: A breeding rhinoceros auklet (Cerorhinca monocerata), one of the many seabird species that relies on the productive waters above Gumdrop and Pioneer Seamounts to forage. Photo courtesy of Mick Thompson (CC BY-NC 2.0). By Samuel Georgian, Marine Biogeographer at Marine Conservation Institute   Gumdrop and Pioneer Seamounts Gumdrop and Pioneer are neighboring seamounts located approximately 45…

Cortes and Tanner Banks: Recreation and Biodiversity Hotspots

By Madeleine Serkissian | April 9, 2019

Featured Pic: Brown stony corals (Coenocyathus bowersi, foreground) and pink hydrocorals (Stylaster californicus, background) provide habitat for a large school of rockfish at Cortes Bank. Photo courtesy of NOAA Southwest Fisheries Science Center. By Samuel Georgian, Marine Biogeographer at Marine Conservation Institute     Cortes and Tanner Banks Cortes and Tanner Banks are twin seamounts located approximately…

Gorda and Mendocino Ridges – California’s Test Cases for Deep-Sea Mining

By Madeleine Serkissian | April 8, 2019

Featured Pic: A diverse assemblage of benthic organisms on a sponge garden at Mendocino Ridge. Image courtesy of NOAA NWFSC. By Samuel Georgian, Marine Biogeographer at Marine Conservation Institute The Gorda and Mendocino Ridges are a complex series of oceanic ridges just off the coast of northern California, and are home to unique deep-sea ecosystems including hydrothermal…

Davidson Seamount: A Deep-Sea Oasis

By Madeleine Serkissian | March 25, 2019

Featured Pic: Yellow Picasso sponge and white sponges on Davidson Seamount. Image courtesy of NOAA and MBARI. By Samuel Georgian, Marine Biogeographer at Marine Conservation Institute   Davidson Seamount is an underwater volcano located just 75 miles off the coast of California. Its summit rises an impressive 7500 feet above the surrounding seafloor, yet still remains…

Denizens of the Deep: Are Brittle Stars the Best House Guests?

By Madeleine Serkissian | March 19, 2019

Featured Pic: A colorful Ruby Brittle Star (Ophioderma rubicundum) in the Flower Garden Banks National Marine Sanctuary. Photo courtesy of NOAA. By Samuel Georgian, Marine Biogeographer at Marine Conservation Institute If you have ever seen a brittle star, you may have assumed that you were looking at the closely related starfish instead. Starfish and brittle stars are both members…

Photo: MARE and NOAA
Photo: MARE and NOAA

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