Scientists discover more than 1,100 never-before-catalogued marine species in one year

Cientistas descobrem mais de 1.100 espécies marinhas - Reprodução/Nippon Foundation-Nekton Ocean Census/CSIRO

Cientistas descobrem mais de 1.100 espécies marinhas - Reprodução/Nippon Foundation-Nekton Ocean Census/CSIRO

Mais of 1,100 unknown marine species have been identified in the last 12 months in one of the largest ocean exploration campaigns ever undertaken. The announcement was made on Tuesday by Ocean Census, a global initiative that brings together more than 1,000 researchers distributed in 85 countries. The number marks a 54% increase compared to previous annual identifications, according to the three-year-old organization, led by Fundação Nippon of Japão and Nekton, a British ocean exploration institute. The discovery reinforces how much the planet still doesn’t know about its own aquatic ecosystems.

The ocean remains one of Terra’s least explored environments. Durante Many years, scientists believed that the extreme conditions of the deep sea allowed little life. More recent Estudos revealed the opposite: abundant ecosystems thrive in environments that seem utterly inhospitable, harboring creatures with strange shapes and peculiar behaviors that defy what is known about marine biology.

Expedições reveals species in extreme environments

Ocean Census carried out 13 expeditions to little-explored regions of the oceans during the period under review. Nas At depths close to Japão, approximately 800 meters below the surface, a team discovered a new type of bristle polychaete living inside a glass sponge. The translucent structure of the sponge, known as the glass castle, is formed by silicon, the same main material as conventional glass. Essa discovery exemplifies a symbiotic relationship: the worm finds protection and nutrients in the sponge’s porous structure, while removing potentially harmful waste from its surface.

Off Austrália, at depths close to 800 meters, researchers located a ghost shark, known scientifically as a chimera. Esses fish represent distant evolutionary relationships of sharks and rays, having diverged from these species almost 400 million years ago. The creature, little known to the general public, is a living fossil that offers valuable clues about early marine evolution.

Em Timor-East, the team found a ribbon worm just an inch long, marked by bright orange stripes. Essa staining is not mere chance: it indicates potent chemical defenses. The toxins produced by these worms have been investigated as possible treatments for Alzheimer and schizophrenia, demonstrating how biological discoveries in remote environments can have significant therapeutic applications for human medicine.

The carnivorous sponge of the deep

Fossa Norte of Ilhas Sandwich of Sul, an uninhabited archipelago in Atlântico Sul, was the scene of a particularly notable discovery. Cientistas located a carnivorous sponge at depths close to 3,600 meters. Essa impressive creature features a unique predation strategy: its surface is covered in microscopic Velcro-like hooks, which ensnare crustaceans floating on ocean currents. Após captures prey, the sponge surrounds it and digests it completely. The creature has received the nickname “death ball” among researchers, reflecting its predatory ability in an environment of scarce resources.

Essas findings are not isolated. The depths of the ocean continue to reveal organisms that defy traditional biological categories, displaying evolutionary adaptations to survive in extreme pressures, total darkness, and near-freezing temperatures. Cada discovery expands scientific understanding of the limits of life in Terra.

Desafios in the scientific formalization of discoveries

The process between the discovery of a species and its formal description in scientific literature is notoriously time-consuming. On average, this period takes 13.5 years, as reported by Ocean Census in a press release. Esse delay represents a significant obstacle to conservation, as species without formal names are unlikely to receive legal and political protection.

Para To accelerate this process, Ocean Census has introduced “discovered” status as a scientific category that can be immediately registered in its marine species database. Assim Once a specialist validates a discovery, it is registered on an open access platform, making the species visible to the scientific community and public policy makers. Essa methodological change represents a significant step in the democratization of marine scientific knowledge.

Tammy Horton, researcher at Centro Nacional of Oceanografia of Reino Unido, highlighted the importance of formal validation. Ocasionalmente, species believed to be new to science turn out to be already known organisms upon detailed examination. The formal description process “does the effective work of confirming the novelty and provides the passport for this new species, its official registration”, he explained. Sem this formal recognition, the species effectively does not exist for science and, therefore, does not exist for protection policies either. Espécies without official names cannot be protected properly.

Ameaças growing ocean ecosystems

The oceans face multifaceted threats that compromise the survival of countless species. Climate change warms waters at an alarming rate, altering reproductive cycles, migrations and food availability for marine organisms at all levels. Poluição from industrial and agricultural activities accumulates at depth, affecting even the most remote environments.

The prospect of large-scale seafloor mining presents substantial additional risk. Essa activity, which appears to be moving toward commercial realization, could devastate entire ecosystems even before its discovery. Michelle Taylor, head of science at Ocean Census, stated that the scientific community faces a race against time. “With many species at risk of disappearing before they are even documented, we are in a race against time to understand and protect ocean life,” he declared.

The protection of marine life has colossal ecological, scientific and economic value. Espécies Marines support global food chains, regulate climate cycles, and provide resources for billions of people. Sua conservation is not an abstract environmental issue, but an imperative one for the survival of human civilization.

Investimento in exploration versus urgency of protection

Oliver Steeds, director of Ocean Census, put the issue into comparative perspective. “We spend billions looking for life on Marte or going to the dark side of the moon,” he said. “Discovering the majority of life on our own planet, in our own ocean, costs a fraction of that. The question is not whether we can afford to do it. It’s whether we can afford not to.”

Essa’s statement highlights a disconnect between global investment priorities and real needs for planetary understanding. Funding for space exploration, although important for scientific knowledge, drastically exceeds the resources dedicated to mapping marine life, despite the ocean covering more than 70% of the Earth’s surface and containing the majority of the planet’s biodiversity.

Ocean Census reinforces the call for greater investment in efforts to discover new marine species. Cientistas continues to make numerous and interesting discoveries of species new to science in global oceans, at all depths, as highlighted by Tammy Horton. Esses findings not only expand fundamental knowledge about biology but also inform critical environmental protection strategies for decades to come.

The 1,121 species discovered in one year represent a milestone, but also a disturbing reminder of how much life remains unknown and potentially threatened. Cada discovery carries the possibility of revealing new life forms, evolutionary adaptations and, potentially, practical applications for human benefit. The time to study, understand and protect these organisms, however, continues to shrink.

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