Workers in safety gear operate a crane to lift a large white underwater research vehicle on a dock at dusk.
The first 2026 #ONCabyss expedition concluded last week!
Thank you to Canpac Marine Services for providing a safe at-sea home for our team.
Stay tuned for expedition highlights 🛳️
#KnowTheOcean
🚨DIVE ALERT 🚨ROV Mantis is diving at the Strait of Georgia, 100 metres below sea surface!
ONC and Canpac Marine Services are recovering an instrument platform for maintenance.
Catch the action live 🌊 bit.ly/4s1QVaU
#ONCabyss #KnowTheOcean
🚨DIVE ALERT 🚨 We are continuing our dive objectives in the Strait of Georgia, 165 metres below sea surface!
Catch the action live 🌊 bit.ly/4s1QVaU
#ONCabyss #KnowTheOcean
🚨DIVE ALERT 🚨ROV Mantis is diving at the Strait of Georgia, 165 metres below sea surface!
ONC and Canpac Marine Services are swapping the site’s CTD and deploying a new node.
Catch the action live 🌊 bit.ly/4s1QVaU
#ONCabyss #KnowTheOcean
ROV Mantis underwater vehicle being lowered into the ocean for the Spring 2026 live dive expedition.
🚨DIVE ALERT 🚨ROV Mantis is diving at Folger Deep with a target depth of about 96 metres below sea surface!
ONC and Canpac Marine Services are working on recovering and deploying hydrophones, ADCP, and CTDs.
Catch the action live 🌊 bit.ly/4s1QVaU
#ONCabyss #KnowTheOcean
Underwater robotic arm from ROV Mantis operating near a marine structure covered in sea life during the Spring 2026 expedition.
🚨DIVE ALERT 🚨ROV Mantis is diving at Saanich Inlet, 100 metres below sea surface!
ONC and Canpac Marine Services are working on recovering the base of the Saanich Inlet site’s node.
Catch the action live 🌊 bit.ly/4s1QVaU
#ONCabyss #KnowTheOcean
Remotely operated vehicle Mantis being lowered into the ocean for a dive during the Spring 2026 expedition.
🚨DIVE ALERT 🚨ONC is at Saanich Inlet, aboard the M/V Canpac Valour.
ROV Mantis is diving 100 metres below the ocean surface to recover the Saanich Inlet node—the device that powers ocean monitoring instruments at the site.
Catch the action live 🌊 bit.ly/4s1QVaU
#ONCabyss #KnowTheOcean
A blue and white vessel named Canpac Valour sits on calm reflective waters with misty mountains and forest in the background.
ONC kicks off the 2026 #ONCabyss season w/ a 10-day expedition aboard M/V Canpac Valour from Mar 10–19.
We’ll service VENUS in the Salish Sea + NEPTUNE off Vancouver Island, w/ ROV Mantis supporting instrument recovery, deployment, + science at sea.
Watch the live dives 🌊 bit.ly/4s1QVaU
@uvic.ca
Locating the mooring float.
Hauling in the mooring.
ONC + Canpac are working hard today recovering, refurbishing and redeploying the autonomous regional circulation mooring RCM-SW at Endeavour. An experimental MRV float was deployed. No ROV dives today. Watch the deck operations and follow the log: bit.ly/4mgkD8M
#ONCabyss #KnowTheOcean #UVic
🚨DIVE ALERT🚨ROV Mantis is diving at Cascadia Basin East, 2680 metres below sea surface!
Catch the live dive 🌊 bit.ly/4mgkD8M to watch us orient a new seismometer, connect a new camera and a new smart cable device.
#ONCabyss #KnowTheOcean #UVic
🚨DIVE ALERT🚨ROV Mantis is diving at Cascadia Basin East, 2680 metres below sea surface!
Tune into the live dive 🌊 bit.ly/4mgkD8M
See the intricate connection of a prototype smart cable instrument and a new camera platform!
#ONCabyss #KnowTheOcean #UVic
A white remotely operated vehicle suspended over the ocean by a blue crane. Text overlay reads: ROV Mantis, Summer 2025 Expedition, Live Dive.
🚨Dive alert🚨 ROV Mantis is diving at Cascadia Basin, heading approximately 2,658 metres below sea surface!
#DYK: Cascadia Basin is an abyssal plain shrouded in total darkness, with water temperatures that fall below 2°C!
Catch the live dive 🌊 bit.ly/4mgkD8M
#ONCabyss #KnowTheOcean
A white remote-operated vehicle suspended by crane over open sea with mountainous coastline in the distance.
🚨Dive alert🚨ROV Mantis is diving at Barkley Upper Slope, heading approximately 400 metres below sea surface to service ONC's NEPTUNE observatory!
Tune into the live dive 🌊 bit.ly/4mgkD8M
#ONCabyss #KnowTheOcean
Map of Ocean Networks Canada's 2025 summer expedition showing NEPTUNE Observatory sites off Vancouver Island.
Blue and white vessel named CANPAC VALOUR docked at a harbour with cranes and equipment on board against a mountainous backdrop.
Workers in safety gear operate a large blue crane on a vessel deck loaded with white remotely operated vehicle on a calm body of water.
ONC + Canpac Marine Services are mobilizing the M/V Canpac Valour for leg 2 of the #ONCabyss Summer 2025 Expedition!
Catch our operation live dives from Aug 27 to Sept 3 with #ROV Mantis.
Watch our live dives 🌊 bit.ly/4mgkD8M
🧪 🌊 #SciComm #KnowTheOcean
Due to strong offshore winds in the forecast, we're postponing Leg 2 of the #ONCabyss Summer 2025 Expedition aboard Canpac Valour until later this month. Safety of our people is paramount, as well as protecting our oceanographic instruments and equipment.
🚢 #ONCabyss Ocean Expedition is setting sail from Aug 8–15!
Join ONC + Canpac Marine Services to service the NEPTUNE observatory off the west coast of #VancouverIsland—dive alerts on IG & Bluesky.
Watch live 🔗 bit.ly/4mgkD8M
🧪 🌊 #SciComm #KnowTheOcean
A close-up of two people from Ocean Networks Canada working together to handle a sedmiment core sample. One person is sealing the top of the core tube while the other supports and aligns it.
2/🌊 Several sediment cores were collected at Barkley Canyon yesterday during the #ONCabyss expedition. These samples will support NRCan's research on landslides and sedimentation rates in the region.
#KnowTheOcean #CDNsci #CDNtech #SciComm #OceanScience #OceanMonitoring #OceanObserving 🧪
Two individuals are working on a metal core tube on the ship’s deck. One is holding the core steady while the other appears to be measuring and cutting it. Tools and safety equipment are visible around them.
1/🌊 Why are scientists interested in mud?
Sediment cores (mud samples) are historical archives of past environmental conditions and can tell us how an area has changed over time.
#KnowTheOcean #ONCabyss #CDNsci #CDNtech #SciComm #OceanScience #OceanMonitoring #OceanObserving #DeepSea 🧪
Surprise visitors at Barkley Canyon! A group of curious fur seals stopped by as we collected water samples using the CTD rosette. Never a dull moment at sea!
#KnowTheOcean #ONCabyss #ScienceParty #ScienceAtSea
A white ROV is being deployed on a research vessel using a hydraulic crane. A crew member in an "Ocean Networks Canada" life jacket oversees the operation. The scene takes place at sea under overcast skies.
Science-at-sea is well underway during the #ONCabyss Summer 2025 Ocean Expedition while some maintenance is delayed pending assessments of the ROV launch+recovery system onboard the M/V Canpac Valour.
ONC’s ROV operations and livestream are now postponed until later this summer.
The image shows an oceanographic expedition in action, with a remotely operated vehicle (ROV) being deployed over the side of a research vessel. The text overlay reads: #ONCabyss Summer 2025 Ocean Expedition LIVE DIVE
🚨DIVE ALERT🚨 ROV Mantis is diving at Barkley Upper Slope for the first dive of #ONCabyss Summer 2025 Ocean Expedition!
Catch the action live 🌊 bit.ly/43l64sx
#KnowTheOcean #CDNsci #CDNtech #SciComm #OceanScience #OceanMonitoring #OceanObserving #DeepSea
A red and white Canadian Coast Guard research vessel, the John P. Tully, sails on a calm ocean with mountainous terrain visible in the background. The image promotes the “#ONCabyss Summer 2025 Ocean Expedition,” taking place from 25 May to 05 June.
1/🚢 All aboard the Canadian Coast Guard Ship (CCGS) John P. Tully & the Canpac Marine Services motor vessel (M/V) Canpac Valour for the #ONCabyss Summer 2025 Ocean Expedition!
Follow us on Bluesky and Instagram for dive alerts and updates!
Bookmark to watch live 🌊 bit.ly/43l64sx
🧪 #SciComm
🌍 This #EarthDay, take a moment to explore the highlights from our #ONCabyss Spring 2025 expedition!
Aboard M/V Canpac Valour, the team tackled:
🔧 Subsea node recovery
📊 Sensor benchmarking
🌊 VENUS observatory maintenance and more!
Read the full story now 🌊 bit.ly/4ihk9Nj
🧪 🌊 #SciComm
A purple deep-sea octopus brooding her eggs on a rock.
Hot off the press 🔥
Our spring #KnowTheOcean newsletter is live — dive into the first #ONCabyss expedition of 2025, learn about the $24-million investment into the ONC-led Solid Carbon project by the Government of Canada, and more exciting stories!
Read now 🗞️ bit.ly/42edKO6
🧪🌊 #SciComm
The Spring 2025 #ONCabyss expedition has concluded earlier than expected due to poor offshore weather conditions.
With winds reaching 56km/h + swells up to 3m, the conditions around our NEPTUNE observatory are too dangerous to safely launch the ROV & continue our operation.
#KnowTheOcean
🚨Dive Alert🚨ONC and Canpac are currently visually surveying the Saanich Inlet seafloor!
Watch the #ONCabyss live dive here 🌊 bit.ly/4icQllI
#KnowTheOcean
🚨Dive Alert🚨ONC and Canpac are diving at the Strait of Georgia to recover a Natural Resource Canada mooring.
Live now — watch the #ONCabyss dive here 🌊 bit.ly/4icQllI
#KnowTheOcean #CDNsci
🚨Dive Alert🚨ONC and Canpac are diving at the Strait of Georgia to continue last night’s operation at the Delta Dynamics Lab mini-node site.
Live now — watch the #ONCabyss dive here 🌊 bit.ly/4icQllI
#KnowTheOcean
🚨Dive Alert🚨ONC and Canpac are diving at the Strait of Georgia to recover the Delta Dynamics Lab mini-node.
Live now — watch the #ONCabyss dive here 🌊 bit.ly/4icQllI
#KnowTheOcean
