The stingray, which spends much of their time partially buried on the ocean floor, uses its paired pectoral fins to stabilize their movement through the water and sweep away sandy foreign particles from its surface. A research ...
Biotechnology
Feb 24, 2020
0
4
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
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
Researchers from the National University of Singapore (NUS) have created MantaDroid, an aquatic robot that emulates the swimming locomotion of manta rays. The robotic manta ray, which swims at the speed of twice its body ...
Robotics
Nov 8, 2017
0
5
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
An endangered fish along the coast of California—the tidewater goby—may actually be two species rather than one, according a study published July 27, 2016 in the open-access journal PLOS ONE by Camm Swift from the Natural ...
Plants & Animals
Jul 27, 2016
0
12
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
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
