It's "hammerhead" time according aerial drone footage of blacktip sharks fleeing to shallow waters when confronted by a huge predator along the coast of southeast Florida. Footage from the drone provides the first evidence ...
Plants & Animals
May 13, 2020
0
160
Research on fossilized fish from the late Devonian period, roughly 375 million years ago, details the evolution of fins as they began to transition into limbs fit for walking on land.
Archaeology
Dec 30, 2019
19
1088
The largest fish to walk on land, the voracious northern snakehead, will flee water that is too acidic, salty or high in carbon dioxide—important information for future management of this invasive species.
Ecology
Oct 23, 2019
0
463
People traditionally think that lungs and limbs are key innovations that came with the vertebrate transition from water to land. But in fact, the genetic basis of air-breathing and limb movement was already established in ...
Evolution
Feb 4, 2021
0
3632
The evolution of the striking, wing-like pectoral fins of skates and rays relied on repurposed genes, according to new research by scientists from the University of Chicago. Studying embryonic skates, they discovered that ...
Evolution
Dec 10, 2015
0
96
Sad scenes are unfolding in Western Australia after a pod of pilot whales became stranded on a beach late on Tuesday. According to the latest reports, 51 of the whales have died. Some 46 remain beached and authorities are ...
Plants & Animals
Jul 26, 2023
0
31
Why did animals with limbs win the race to invade land over those with fins? A new study comparing the forces acting on fins of mudskipper fish and on the forelimbs of tiger salamanders can now be used to analyze early fossils ...
Plants & Animals
Jul 5, 2013
4
0
A study of catsharks reveals how alterations in the expression and function of certain genes in limb buds underlie the evolution of fish fins to limbs. The findings are reported by researchers from Tokyo Institute of Technology ...
Evolution
Aug 18, 2015
0
190
Scores of disembowelled sharks have washed up on a South African beach putting the spotlight on a pair of shark-hunting killer whales whose behaviour has fascinated scientists and wildlife enthusiasts.
Ecology
Mar 4, 2023
0
114
On the surface, it looks like any other bay near Hobart. But beneath the calm waters live a small population of one of the rarest and most endangered fish in the world: the red handfish.
Plants & Animals
Jul 6, 2022
0
6
