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Scuba News
October 1, 2025 by HAL
The deep ocean, beyond 1,000 meters, is largely unexplored. It is home to strange creatures and valuable resources known as polymetallic nodules. Companies aim to mine these nodules for metals used in technology. However, mining can harm delicate ecosystems and disrupt marine life. Global calls for a pause on deep-sea mining are growing as scientists […]
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September 25, 2025 by HAL
Marbled electric rays are unique because they can deliver electric shocks. They live in the Eastern Atlantic Ocean and the Mediterranean Sea. These rays prefer hiding in seagrass and rocky areas. They can grow up to 1 meter and reproduce every two years. The biggest threat they face is capture in fishing gear.
September 11, 2025 by HAL
Oceana has launched operations in Ghana to protect fish populations and support coastal communities. About 60% of Ghana’s population relies on fish for food and income. Sardinella, a crucial fish in Ghana, has decreased by 80% over 20 years. This decline threatens both community health and the livelihoods of fish processors, often women. Oceana will […]
August 26, 2025 by HAL
Antarctic penguins signal the health of their ecosystem. Researchers study three penguin species to understand the krill population. Krill is vital because it supports many animals in the region. Penguins face competition from the krill industry, but fishing practices aim to protect them. Rising temperatures draw new penguin species to Antarctica, affecting the local ecosystem. […]
August 13, 2025 by HAL
A new species of manta ray, Mobula yarae, was discovered in the Atlantic. This is the third manta species identified after 15 years of research. M. yarae is found from the eastern U.S. to Brazil. It looks similar to other manta rays, but has unique V-shaped shoulder patches. Protecting this species is important as it […]
August 7, 2025 by HAL
Sargassum is a floating brown algae that provides a habitat for marine life. It helps keep oceans healthy but can become a problem when too much accumulates on beaches. This year’s record levels of sargassum, about 37.5 million metric tons, are linked to nutrient runoff and climate change. As it decomposes, it can harm the […]
July 8, 2025 by HAL
Giant manta rays are the world’s largest rays, reaching 26 feet wide. They are found in warm waters around the globe, often near coastlines. These filter feeders eat tiny organisms in the water, using unique structures in their mouths to catch food. Unfortunately, giant manta rays are endangered due to fishing and their slow reproduction […]
June 16, 2025 by HAL
Green sea turtles are resilient ocean travelers. They lay over 100 eggs on beaches. Hatchlings face many predators as they enter the ocean. Plastic pollution and hunting threaten their survival. Conservation efforts are vital for their future.
May 23, 2025 by HAL
Underwater volcanoes, like the Axial Seamount near Oregon, erupt mainly due to tectonic plate movement, which causes earthquakes. Unlike above-ground volcanoes, underwater eruptions are less explosive because of high water pressure and result in lava that cools quickly. These eruptions create new habitats and can release toxic gases that affect marine life. However, they also […]
February 21, 2025 by HAL
The pantropical spotted dolphin and the hourglass dolphin are two fascinating dolphin species found in our oceans. The hourglass dolphin features a unique white pattern on its sides for camouflage, while the spotted dolphin sports spots that develop as it matures. These dolphins inhabit different waters, with hourglass dolphins residing in cold Southern Ocean areas […]
February 14, 2025 by HAL
The January 2025 wildfires in Southern California have greatly impacted not just the land but also the ocean. As heavy rains followed, pollutants and toxic runoff from the fires washed into local waters, threatening marine life and public health. These effects include potential harm to the food web, especially for species like anchovies, which are […]
February 12, 2025 by HAL
North Atlantic right whales have the potential to live over 130 years, but human activities have drastically reduced their average lifespan to just 22 years. These whales face significant threats from collisions with vessels and entanglements in fishing gear. Currently, only about 370 North Atlantic right whales remain, making them one of the most endangered […]
February 10, 2025 by HAL
Celebrate Valentine’s Day with a sustainable seafood dinner that supports ocean health. Pacific halibut is a great choice since it is responsibly sourced and contributes to healthy fish populations. This fish is not only nutritious but also versatile, making it easy to prepare and impress your date. Pair it with a nice wine, and consider […]
February 1, 2025 by HAL
Humpback whales are large, non-predatory marine mammals known for their acrobatic jumps and beautiful songs. They can grow up to 60 feet long and weigh around 80,000 pounds. These whales undertake long migrations to colder feeding areas, where they use a unique technique called bubble-netting to catch fish. Despite recovering from past threats like whaling, […]
January 22, 2025 by HAL
Robert WAN, known as the “Emperor of Tahitian Pearls,” is dedicated to ocean sustainability and producing high-quality pearls in Tahiti’s clean lagoons. His family business collaborates with Oceana and emphasizes the importance of ocean health for their livelihood. The pearl cultivation process involves careful manual labor and takes several years, while they face challenges like […]
January 10, 2025 by HAL
Dr. Daniel Pauly has greatly influenced ocean conservation through his clear communication of complex marine science. His work with Oceana helped inform effective policy decisions that have led to over 300 victories for ocean health, including measures against overfishing and habitat destruction. Dr. Pauly’s insights encourage collaboration between scientists and policymakers, focusing on practical solutions […]
January 8, 2025 by HAL
Coral bleaching happens when corals, which seem like rocks, actually become stressed due to rising ocean temperatures. This stress causes them to expel tiny algae called zooxanthellae that provide food and color, leaving corals white and vulnerable. Without these algae, the corals struggle to survive, affecting the entire marine ecosystem, including fish and other marine […]
December 31, 2024 by HAL
In 2024, important strides were made to protect the oceans and marine habitats. Significant victories included legislation in Chile for kelp management, the creation of new marine protected areas in Mexico and Canada, and the European Union’s new biodiversity law. Efforts to reduce plastic pollution gained momentum, with the U.S. committing to phase out single-use […]
December 26, 2024 by HAL
James “Jim” Simon, the new CEO of Oceana, has dedicated over 21 years to ocean conservation. Oceana focuses on protecting ecosystems, which is vital not just for wildlife but also for coastal communities that rely on fishing. Simon highlights significant achievements, such as shifting the U.S. stance on offshore drilling and collaborating with local communities […]
December 18, 2024 by HAL
Oceana has worked for ten years to improve ocean conditions in Brazil and the Philippines. They have successfully partnered with local artisanal fishers to promote sustainable fishery practices and combat illegal fishing. In Brazil, they implemented catch limits for important species and increased transparency in fishery data management. Similarly, in the Philippines, Oceana helped pass […]
December 12, 2024 by HAL
Amazon will stop using plastic air pillows in North America, eliminating nearly 15 billion of them annually. This decision comes after years of campaigning by Oceana to reduce plastic waste, which is detrimental to marine life. Plastic air pillows, made from flexible film, are often not recyclable and instead contribute to ocean pollution and harm […]
December 7, 2024 by HAL
This article highlights five ocean creatures that capture the festive spirit of the holiday season. The Christmas Tree Worm resembles a small tree with its colorful branches. The Red Lionfish is striking with its red and white stripes but is also venomous. The elusive Cookie Cutter Shark feeds on larger prey, creating distinctive bite marks. […]
November 15, 2024 by HAL
The holiday season can create a lot of waste, but with careful choices, we can celebrate sustainably. Wrapping gifts in reusable materials and avoiding disposable decorations reduces waste. Planning nature-themed gatherings, like crafts using recycled items, can teach kids about ocean conservation. At parties, opting for reusable or sustainable options helps minimize plastic waste. Remember […]
November 4, 2024 by HAL
Heather Stevens is a key supporter of ocean conservation through her work with Oceana. After learning about threats to oceans, including overfishing, she joined the Board of Directors of Oceana and helped shape campaigns to combat illegal fishing. Stevens used her insurance expertise to push major companies to improve their screening of fishing operations. One […]
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