Thousands of giant stingray eggs discovered on the seabed
Experts have discovered thousands of giant stingray eggs in an undersea volcano near Vancouver Island in Canada.
Báo Khoa học và Đời sống•09/06/2025
Marine biologist Cherisse Du Preez, a specialist with Fisheries and Oceans Canada, led the 2019 expedition that first documented thousands of giant stingray eggs in an undersea volcano near Vancouver Island in Canada. Photo: glassalmanac.com. This volcano lies at a depth of about 1,500m below sea level. Once thought to be dormant, this volcano suddenly became the center of attention when scientists discovered that it was emitting warm, mineral-rich water, creating ideal living conditions for a diverse ecosystem in the deep sea. Photo: glassalmanac.com.
Giant Pacific whitetip rays eggs have been found measuring 45 to 50 centimetres in length. Photo: Reinhard Dirscherl, Alamy Stock Photo. According to experts, the incubation period can be up to 4 years. The temperature from the volcano acts as a natural incubator, helping to shorten the incubation period. Photo: vocal.media.
As adults, Pacific white stingrays can reach body lengths of up to 2m. Photo: AI. The Pacific whitetip ray is a rare species that lives in the deep sea between 800 and 3,000m below the surface. Photo: Alexis Rosenfeld / Contributor Getty Images Europe. The egg-laying behavior of Pacific white rays is rarely recorded in the wild. Experts mostly record cases of individual egg-laying on the seabed, rarely detecting thousands of eggs like this time. Photo: earth.com.
The discovery of such a large number of Pacific white-backed rays eggs in one location provides scientists with new insights into their behavior, habits, and deep-sea biodiversity. Photo: Northeast Pacific Deep-sea Expedition via Cherisse Du Preez/YouTube. Readers are invited to watch the video: Many new species discovered in the Mekong River Region. Source: THĐT1.
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