background imageShana Goffredi

First methane-powered sea spiders found crawling on the ocean floor

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By illuminem briefings

· 2 min read


illuminem summarises for you the essential news of the day. Read the full piece on CNN or enjoy below:

🗞️ Driving the news: Researchers have discovered three new species of sea spiders, Sericosura, thriving on methane-fueled bacteria in deep-sea environments
• These spiders form a unique symbiotic relationship with the bacteria, which convert methane into sugars and fats, providing the spiders with a constant food source
• This groundbreaking find highlights the role of deep-sea creatures in mitigating methane emissions.

🔭 The context: The Sericosura spiders are part of a broader ecosystem in the deep sea where microbes feed on methane seeping from the ocean floor
• These methane seeps, which occur at great depths, have been little studied until now
• Other deep-sea organisms, such as tube worms, also rely on methane-eating bacteria, showcasing the complex food webs of these remote habitats

🌍 Why it matters for the planet: Methane, a potent greenhouse gas, contributes significantly to global warming
• The deep-sea environment acts as a crucial natural filter, preventing excess methane from reaching the atmosphere
• Understanding these ecosystems may offer insights into how these natural processes can help mitigate climate change and how similar microbial strategies could be applied to environmental management on land

⏭️ What's next: Further studies into the Sericosura spiders and their bacteria could lead to advances in biotechnology, such as cultivating these microbes to address environmental contaminants
• Continued exploration of the deep sea may uncover more species with similar capabilities, emphasizing the importance of protecting these fragile ecosystems, especially in light of growing pressures like deep-sea mining 

💬 One quote: “Even though they’re small, these animals have a big impact in that environment.” — Shana Goffredi, Professor and Study Lead Author, Occidental College

📈 One stat: The newly discovered sea spiders are only about 0.4 inches (1 cm) in length, underscoring their tiny yet impactful role in deep-sea ecosystems

Click for more news covering the latest on biodiversity 

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