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
(Phys.org) —A trio of researchers working in Australia has found that lionfish use their fins to communicate with other lionfish as a means to instigate cooperative hunting. In their paper published in the journal Biology ...
The sharks we know today as the open ocean's top predators evolved from stubby bottom dwellers during a dramatic episode of global warming millions of years ago.
Plants & Animals
Jun 3, 2024
0
39
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
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
As you picture the first fish to crawl out of primordial waters onto land, it's easy to imagine how its paired fins eventually evolved into the arms and legs of modern-day vertebrates, including humans. But a new study by ...
Biotechnology
Mar 19, 2018
0
64
The sensory system in fish fins evolves in parallel to fin shape and mechanics, and is specifically tuned to work with the fish's swimming behavior, according to new research from the University of Chicago. The researchers ...
Evolution
Apr 10, 2017
1
30
The human fingertip is a finely tuned sensory machine, and even slight touches convey a great deal of information about our physical environment. It turns out, some fish use their pectoral fins in pretty much the same way. ...
Plants & Animals
Feb 10, 2016
1
508
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
New research on the reproductive habits of zebrafish offers an explanation as to why some animals' bodies repair tissues. The research team previously noticed that male zebrafish regenerate their pectoral fins poorly, as ...
Biotechnology
Oct 14, 2013
0
0
