Browsing Tag
shark
11 posts
New video shows sharks making an easy meal of spiky sea urchins, shedding light on an undersea mystery
Author provided Jeremy Day, University of Newcastle Long-spined sea urchins have emerged as an environmental issue off Australia’s…
Friday essay: Giant shark megalodon was the most powerful superpredator ever. Why did it go extinct?
Julius Csotonyi/Hachette John Long, Flinders University Imagine the seas off Peru, 6 million years ago. A group of…
There Be Weird Sharks
Deep-sea sharks have adapted to extreme environments with features like large eyes for low light, bioluminescence for camouflage…
Our new tech helps find hidden details in whale, cassowary and other barely audible animal calls
Benjamin A. Jancovich, UNSW Sydney Over the past few decades, animal sounds have seen a huge surge in…
How Big Was Megalodon?
Megalodon, a massive ancient shark, had a cartilaginous skeleton, making its exact size difficult to determine. Most size…
How the Megalodon Went Extinct (Yes, It’s Truly Extinct)
Megalodons reached lengths of up to 20 meters, three times longer than great white sharks, with teeth suggesting…
I set out to investigate where silky sharks travel − and by chance documented a shark’s amazing power to regenerate its sabotaged fin
Rather than a tracking tag telling scientists where this shark traveled, its violent removal let them observe an…
South Africa’s great white sharks are changing locations – they need to be monitored for beach safety and conservation
Alison Kock, South African Institute for Aquatic Biodiversity; Alison Towner, Rhodes University; Heather Bowlby, Fisheries and Oceans Canada;…
How shoring up drones with artificial intelligence helps surf lifesavers spot sharks at the beach
A close encounter between a white shark and a surfer. Author provided, Author provided Cormac Purcell, UNSW Sydney…
Ancient megalodon super-predators could swallow a great white shark whole, new model reveals
J.J. Giraldo, Author provided Stephen Wroe, University of New England In a new 3D modelling study published this…