Juvenile genes reveal shark numbers
Sampling helps reveal the size of Great White population.
Genetic sampling of juveniles has produced the best population estimate yet for Great White Shark numbers off the coa...
Drone shadows jellyfish
Drones help researchers track jellyfish swarms.
A quadcopter drone photographs a swarm of jellyfish and its own shadow. Keith Holmes / Hakai Institute As the world...
Shark relatives deliver surprises
A skate that walks, and another that lays eggs near vents.
Skates - a group of fish closely related to sharks and rays - have provided scientists with not one but two surprises...
Cloned crayfish conquers the world
A bizarre aquarium escapee is spreading around the world.
It may sound far-fetched, a but a real-life super-macromutant has been born, creating a new species with bizarre biol...
Orca learns to mimic human speech
Copying ability sheds light on killer whale “dialects”.
Researchers have taught a captive killer whale to blow raspberries and mimic the word “hello” with its head above wat...
This sea creature detects light with cells all over its body.
The brittle star Ophiocoma wendtii, shown above, is a relative of sea stars and sea urchins that lives among the brig...
Population of “world’s rarest fish” discovered
As few as 20 new specimens gives hope to marine researchers.
An undersea area just the area of two tennis courts holds a newly discovered population of what is thought to be the ...
Green turtles of the Great Barrier Reef
Gobal warming has an impact on male turtles.
A green sea turtle from the northern Great Barrier Reef. Camryn Allen/NOAA Fisheries The north of the Great Barrier ...
Females fall for robot fiddlers
Biologists use robotic crabs to test whether its real love.
Female fiddler crabs have a thing for males who fiddle fast – or possibly just fancy a fling with a crustacean robot,...
Mantis shrimp hits like a heavyweight
Research discovers why a shrimp doesn’t destroy itself.
In the world of boxing, the former heavyweight champion Mike Tyson has been touted as the hardest hitter; and amateur...
Barnacles to save endangered turtles
Barnacles may improve knowledge about their hosts.
Charles Darwin, famously, had a scientific passion for barnacles, but there is nothing in his research to suggest he ...
The beauty of ecology
Stunning images celebrating both scientific and photographic skills.
At first glance this photograph of Heron Reef, in the southernmost section of the Great Barrier Reef, looks somewhat ...