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Rare octopus discovered near the Galápagos Islands intrigues researchers after analysis in deep Pacific waters.
Researchers identified a new species of octopus in the depths of the tropical Pacific Ocean, near the Galápagos Islands, Ecuador. The animal, named Microeledone galapagensis, caught attention for its small size, bluish coloration, and unusual characteristics observed during scientific studies. The discovery was detailed in research published on Monday (25) in the scientific journal Zootaxa.
According to g1, the specimen was located about 1,768 meters below the sea surface during an expedition conducted with the submersible E/V Nautilus. Since then, scientists spent years analyzing the animal to confirm it was a previously unknown species.
Rare octopus was found during submarine mission
The discovery happened in 2015, when researchers were exploring the ocean floor using remotely operated cameras. During the mission, the team spotted the small octopus in deep waters near the Galápagos archipelago.
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Besides the first specimen found, two other similar animals were observed by the scientists during the operation. The octopus immediately caught attention for its unusual characteristics and small size, compared in the study to a golf ball.
According to Janet Voight, who led the research, the moment of discovery was remarkable. “Immediately, I knew it was something really special. I had never seen anything like it,” reported the scientist.
Study of the octopus required special preservation techniques
After collection, the animal was sent to the Charles Darwin Research Station, located on Santa Cruz Island, in Galápagos.
Initially, the researchers could not identify which species the specimen belonged to. Because of this, the team contacted Janet Voight to deepen the analysis. The work required specific care due to the rarity of the available material.
Since there was only one preserved specimen for detailed study, the scientists avoided completely disassembling the animal’s body. To ensure conservation, the octopus was kept in alcohol and formalin before being sent to Chicago.
Technology helped researchers analyze the new octopus
At the Field Museum, one of the largest natural history museums in the world, scientists resorted to advanced examinations to study the animal without damaging it.
The team produced computed microtomographies capable of generating internal and external images in three dimensions. This made it possible to observe delicate body structures without fully opening the specimen.
Janet Voight explained that the analysis of a new species requires a detailed evaluation of different body parts. “When we describe a new species of octopus, we need to examine all parts, including the mouth, beak, and teeth,” stated the researcher.
Check out some procedures used by the scientists:
- Chemical preservation of the specimen;
- Controlled international transport;
- Computed microtomography;
- Creation of a digital 3D model;
- Detailed anatomical analysis.
Galápagos Islands still hide unknown species
The study reinforces how the deep waters near the Galápagos Islands remain little explored. The archipelago became world-renowned after the voyages of naturalist Charles Darwin in the 19th century, which were fundamental to the development of the Theory of Evolution.
According to researchers, the region harbors various creatures found only in that marine environment. Even so, a significant part of the ocean around the islands has not yet been studied in depth.
Deep-sea octopus expands knowledge about marine life
Researchers highlight that little is known about octopus species living in deep areas of the tropical Pacific. The discovery of Microeledone galapagensis expands scientific understanding of these animals and the deep marine ecosystems.
Additionally, the study shows how new technologies are allowing for more detailed analyses of rare organisms without compromising their preservation. Janet Voight stated that the work had special significance in her scientific career.
According to the researcher, it was the first time in four decades of studying octopus evolution that she led the official description of a new species. “They are small octopuses that live in the depths of the sea, and almost no one on Earth has ever seen them,” she declared.
The discovery of the new octopus also highlights the importance of scientific expeditions in deep and little-explored regions of the planet. With the advancement of underwater equipment and imaging techniques, researchers are able to investigate previously inaccessible environments and expand knowledge about marine biodiversity.
Source: g1
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