COGNICURRENT

A new marine parasite discovered by CONICET, Acanthobothrium goleketen, has been recognized internationally as one of the ten most emblematic species of 2025.

Authorities discovered 6,300 dead seahorses in Ecuador, highlighting the severe impact of wildlife trafficking on marine species survival.

The guitarfish, a unique species with features of both sharks and rays, faces an uncertain future as scientists and coastal communities strive to protect it.

Cold winter temperatures have dramatically reduced the population of the invasive killer jellyfish in the Baltic Sea, according to new research from Denmark's Technical University.

New images released on World Water Day reveal the presence of humpback whales, numerous dolphins, and a rare species of octopus along the coast of Rio de Janeiro, showcasing marine biodiversity and the importance of coastal conservation.

A young South Sea dolphin named 'Ssan-dori' has freed itself from a discarded fishing net after being trapped for 87 days.

A study found that artificial lighting in coastal cities affects the physiology of sharks, reducing melatonin levels in some species.

The ongoing conflict in the Gulf is endangering diverse marine life, including dugongs and sea turtles, due to environmental risks associated with warfare and oil spills.

Proposed shark nets for a new €100 million Club Med resort in South Africa may endanger local marine species, prompting calls for an environmental impact assessment.

A lethargic sea turtle, categorized as endangered, was found stranded on the Texas coast, prompting rescue efforts by the Gulf Center for Sea Turtle Research.

Researchers in Oman are launching a pilot seaweed farming project to assess the commercial viability of local species in Oman's waters.

A study has documented various marine species traveling alongside the whale shark in the Galápagos, showcasing its ecological connections.

A remarkable sighting of over a hundred nurse sharks was recorded swimming in the waters of San Matías Gulf in Río Negro, marking one of the largest concentrations of the species in the region's history.

Researchers captured footage of hundreds of vulnerable sharks in the San Matías Gulf, highlighting both the significance of the sighting and the environmental pressures these species face.

The warming of marine waters due to climate change is bringing Caribbean species, including whale sharks, to the Strait of Gibraltar.

Tourists in Cabo San Lucas, Mexico, discovered two giant ribbon fish, a rare deep-sea species, which prompted discussions about their unusual appearance and whether it signifies a bad omen.

A Paraná aquarium, located 700 km from the ocean, imports salt from Israel to maintain marine species, reporting no impact from ongoing Middle Eastern conflicts on its operations.

An aquarium in Foz do Iguaçu, Paraná, imports salt from Israel to create seawater necessary for housing marine species.

A new species of jellyfish with long tentacles mimicking animal plankton has been discovered off the coast of Kume Island, Okinawa.

Recreational fishermen discovered a living Mitsukurina owstoni, or ghost shark, at a depth of 900 meters near Gran Canaria, marking a significant addition to the known sightings of this rare species.

Researchers document the unique gastric incubation behavior of the starfish species Asterina fimbriata in Argentine Patagonia.

An albino blue whale sighting in Baja California is considered significant due to the rarity of such occurrences and the whale's endangered status.

A newly discovered species of clione, named 'Nihon Hadaka Kamegai,' has been identified in the Sea of Japan and noted for its small, round body.

Researchers have discovered a toxic algae species in Australia that has drastically proliferated, resulting in significant marine animal deaths and affecting the local ecosystem.

Research reveals that the toxic algae species Karenia cristata, responsible for a marine biological crisis in South Australia, has existed in state waters for at least ten years.

A photograph capturing baby elephant seals learning to swim has won the '2026 Underwater Photographer of the Year' award, highlighting the resilience of this species.

Florida is advancing legislation known as the MANTA Protection Act, aimed at enhancing protections for threatened marine species amid conservation debates.

Scientists recorded a rare sighting of a sleeper shark in the Antarctic, suggesting a broader distribution of shark species in that region.

Scientists from the Universidad Andrés Bello in Chile have discovered a new species of octopus in the southeastern Pacific Ocean.

Ninety-five hatchlings of the world's largest and most endangered turtle species have successfully emerged on the beaches of Manabí, Ecuador.

Most fish species in both inland waters and coastal seas are in poor condition due to excessive fishing pressure.

A rare and endangered sperm whale was recently found dead on Israel's Zikim Beach, highlighting the species' vulnerability and rarity in the area.

Researchers have identified an extinct manatee species named Salwasiren qatarensis, discovered from fossil remains in Qatar, which significantly influenced its marine ecosystem 21 million years ago.

New research on ancient fossils in Western Australia reveals the existence of two distinct species of marine temnospondyl predators, challenging previous assumptions of a single species.

A rare 'sleeper shark' has been filmed swimming in the icy depths near Antarctica, marking the first confirmed sighting of such a species in these frigid waters.

Researchers have documented 15 species of comb jellies, six of which have never been observed in Colombian waters before.

Brazilian marine biologist Camila Domit is a finalist for the Whitley Awards 2026 for her conservation work with endangered dolphin species.

The Australian federal agency is proposing to suspend the use of the antibiotic florfenicol in Tasmanian salmon farming following its detection in native species nearby.

Antibiotics used in Tasmanian salmon farming have been found in local marine species, raising concerns about ecological impacts, although public health assessments deem the levels safe for human consumption.

A critically endangered fish species, the Epinephelus itajara, was observed during a scientific dive in Coruripe, Alagoas, Brazil.

Researchers discovered a vast array of unknown marine species at depths of 4,000 meters in the Pacific Ocean during a 160-day international expedition.

A nine-meter common rorqual has been found dead in Valencia, marking the second-largest whale species in the world.

A recent report indicates that Maugean skate, an endangered species, faces severe threats from salmon farming despite uncertain population estimates and research methods.

A giant manta ray, measuring up to 7 meters and weighing 1.8 tons, was spotted in the Moleques do Sul archipelago off the coast of Florianópolis, Brazil.

A giant jellyfish, measuring up to ten meters long, was recently sighted in Argentine waters, one of the few observations of this species in over a century.

Marine biologists are collaborating with boat owners in Sydney Harbour to use innovative mooring techniques to preserve the endangered seagrass species Posidonia australis.

Scientists are monitoring the presence of tiger sharks in Brazil's Southeast for the first time, raising concerns about potential risks associated with the species.

The article discusses the near extinction of the Korean Gray Whale, a species with deep historical ties to Korea, and highlights the lack of concern among Koreans about its endangered status despite the strong national sentiment regarding its naming.

A dolphin spotted in Gangneung Harbor has been confirmed as the endangered Southern Right Whale Dolphin, marking the first sighting of this species outside of Jeju waters.

Cameras will become mandatory on 90 percent of Queensland trawlers to monitor bycatch of endangered species in the Great Barrier Reef Marine Park.