COGNICURRENT

Hundreds of California sea lions have occupied a beach at Deep Bay on Vancouver Island as they await the herring run.

A study reveals that female humpback whales are increasingly attracted to the complex songs of mature males, which are vital for reproduction.

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

A Japanese study has introduced a new satellite-based method for monitoring the quality of ballast water that is as efficient as traditional ground-based microscopes.

The article discusses surprising habitats where sharks are found, contradicting the common perception of their ecological preferences.

A study suggests that Bigg's killer whales may prey on the resident killer whale population in the North Pacific, prompting new theories about the social structure of resident orcas.

A scientific expedition captured footage of a shape-shifting jellyfish, Deepstaria, at 790 meters depth in the Pacific Ocean, which quickly went viral on social media.

Two stranded sperm whales in Skallingen Strand, Denmark, are set to be autopsied and removed as authorities urge the public to maintain distance and follow guidelines.

Scientists have discovered a volcanic cone named Nafanua that has emerged in the Vailulu'u underwater volcano near Samoa.

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.

A recent study shows that the cleaner wrasse fish can pass the mirror test, challenging previous notions of self-awareness in animals.

Four stranded sperm whales off the coast of Fanø Island in Denmark have died, marking the third such incident this year.

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

The last of the stranded sperm whales on Fanø has been confirmed dead, with the rescue operation set to analyze the remains.

Five sperm whales have stranded on the beaches of Fanø, prompting sadness and concern among local observers.

A researcher expresses sadness over the recent stranding and death of sperm whales along the Wadden Sea.

Five sperm whales have washed up off the coast of Denmark near Fanø Island, with some dead and others alive.

Reports indicate that stranded whales in Denmark may have been relocated by the tides overnight, with new sightings reported the following morning.

Scientists have documented a shark in the Antarctic deep for the first time, marking a significant discovery in marine biology.

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

A previously undocumented shark was filmed for the first time in the deep waters of Antarctica, challenging the belief that sharks do not inhabit these icy regions.

A British woman discovered an unusual fossil on Holy Island in England, which resembled a smiling face, and shared it online for identification.

A recent study reveals that some deep-sea fish possess an unconventional visual system that may reshape our understanding of vertebrate vision and adaptation to low-light environments.

Scientists discovered a southern sleeper shark in Antarctic waters, prompting a reevaluation of the fauna that could survive in such extreme conditions.

New research reveals a previously unknown hybrid visual cell type in deep-sea fish from the Red Sea, merging characteristics of rods and cones for low-light vision.

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.

Scientists unexpectedly captured footage of a sleeper shark at nearly 500 meters deep in Antarctica, challenging prior assumptions about their absence in that region.

Three female fish are changing their gender at the Øresund Aquarium in Denmark, a procedure that fascinates the observing staff.

A sleeper shark has been filmed in Antarctic waters for the first time, challenging previous beliefs about shark habitation in icy regions.

Researchers documented shark hunting and patrolling behaviors in Fernando de Noronha's Baía do Sueste as part of a conservation monitoring project.

The article discusses how great white shark teeth evolve throughout their lifetime, highlighting their remarkable adaptations as apex predators.

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.

Researchers in Antarctica captured a surprising video of a nearly 4-meter-long Pacific sleeper shark, challenging the belief that sharks do not inhabit the icy waters of the Southern Ocean.

Researchers captured video evidence of the first shark, specifically a sleeper shark, recorded swimming in the Antarctic Ocean, challenging long-held scientific beliefs.

A video captures the first sighting of a shark in the waters surrounding Antarctica, highlighting an unexpected marine discovery.

Australian researchers have spotted a rare sight in Antarctica: a sleepy shark resting close to the seabed in icy waters.

The Japanese spider crab, the largest arthropod in the world, is on display at the Museu do Mar in Santos, Brazil.

This article explores the unique survival mechanisms of deep-sea organisms, particularly a tiny worm that plays a crucial role in maintaining ecological processes on the ocean floor.

Due to exceptionally low water levels in the Baltic Sea, an ancient shipwreck has become visible near Stockholm, drawing attention from archaeologists and locals alike.

A group has reported a potential first sighting of Antarctic type B killer whales in Bremer Canyon, Western Australia, known for its diverse marine wildlife.

Taam Ja’, the deepest blue hole in the world located off the Yucatán Peninsula in Mexico, remains largely unexplored and shrouded in mystery for scientists.

Juan Poyatos discusses the historical presence of great white sharks in the Balearic Islands and their near-mythical status due to their rarity in recent times.

Researchers express optimism regarding the historically low water levels in the Baltic Sea, seeing potential environmental benefits.

Researchers are capturing Weddell seals in Antarctica to study their underwater movements and environmental conditions.

A juvenile great white shark caught off the eastern coast of Spain suggests that these sharks may be breeding in the Mediterranean Sea.

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.

A rare giant phantom jellyfish was observed at a depth of 250 meters off the Argentine coast, marking a significant discovery by researchers.

Scientists documented the presence of a giant jellyfish measuring up to 10 meters long off the coast of Argentina, sparking widespread reactions on social media.