Sharks

Colossal octopus may have dominated Cretaceous oceans, researchers say

“These giant octopuses likely occupied the same ecological tier and may have competed with marine reptiles and sharks within the same ecosystem,” said paleontologist Kazutaka Iba.

Pacific giant octopus.
One more cup of coffee?

Researchers find traces of caffeine, cocaine in sharks in The Bahamas

A lifeguard patrols North Steyne beach as beaches are closed after recent shark attacks, in Sydney, Australia, January 20, 2026.

Dozens of Australian east coast beaches closed after four shark attacks in two days

Great white shark, Carcharodon carcharias, Neptune Islands, South Australia, Indian Ocean.

Scientists warn great white sharks in danger of disappearing from Mediterranean


Orcas are targeting shark livers, according to DNA research

'We don't know how frequently these events occur in Australian waters and therefore how significant these findings are,' said Associate Professor Adam Miller.

 White shark carcass washed up in Portland, Victoria in October 2023.

Shreveport Aquarium's surprise: Yoko the shark born in all-female tank

Yoko is believed to be the result of parthenogenesis, a rare type of asexual reproduction where offspring develop from unfertilized eggs.

 Shreveport Aquarium's surprise: Yoko the shark born in all-female tank.

Nearly complete fossil of 9-million-year-old great white shark relative found in Peru

The Pisco Basin is a hot, desert area famed for frequent discoveries of ancient marine species and was an extensive sea in ancient times, making it a reservoir of marine fossils.

 Detail of the head of a plastic prehistoric shark statue. Illustration.

Over half of Mediterranean shark species are threatened with extinction due to overfishing

Researchers are calling for increased monitoring to protect threatened species, alongside more public education and incentives for fishers to use equipment that is less threatening to shark species.

 The near-threatened nursehound shark (Scyliorhinus stellaris) off the coast of Malta.

Ten species facing extinction require monitoring in 2025, according to conservation group

Ten new species, including nine animals and one plant, have been listed as "staring extinction in the face," according to the UK-based international conservation group.

 Leptodactylus fallax, a species of frog found in Dominica, also known as the Giant Ditch Frog, or the mountain chicken

Unique images shows orcas hunting, killing 18-meter-long giant whale shark using vicious technique

Researchers document coordinated attacks targeting sharks' pelvic area to access nutrient-rich organs.

 Killer whales underwater.

“Invisibility cloak” for surfers: researchers find new solutions to keep sharks away

Dr. Laura Ryan of Macquarie University explains that lights on the underside of surfboards distort the silhouette, making it less appetizing to sharks.

 "Great White Shark" by Elias Levy is licensed under CC BY 2.0.

School of sharks spotted near Ashkelon power plant

The plant, operated by the IEC, uses seawater to cool its production units. It then releases the slightly warmer water back into the sea, which can attract fish and sharks.

Dusky Shark swiming in the sea

Whale shark the size of six catsharks spotted off coast of southern Israel

While whale sharks can grow to be over 18 meters in length, this one spotted in Eilat was apparently just around six meters. That's the size of six other sharks, assuming those sharks are catsharks.

 A whale shark recently spotted off the coast of Eilat in southern Israel.

Florida man carries around giant shark, promotes fishing to followers

The man, known as “Hood Fishing Entertainment” on social media, documented himself carrying a large shark as if “he had just caught a catfish,” one Instagram commenter wrote.

 Tiger shark