Have you ever wondered why our hands have exactly five fingers? Dr. Marie Kmita's team certainly has. The researchers at the Institut de recherches cliniques de Montréal and Université de Montréal have uncovered a part ...
Evolution
Oct 5, 2016
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4
Hammerhead sharks swim on their sides up to 90 per cent of the time to save energy, a Murdoch University researcher has found.
Ecology
Aug 9, 2016
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31
Federal biologist Jay Orr never knows what's going to come up in nets lowered to the ocean floor off Alaska's remote Aleutian Islands, which separate the Bering Sea from the rest of the Pacific Ocean. Sometimes it's stuff ...
Plants & Animals
Jul 13, 2016
0
228
A study appearing in the journal PLOS ONE this week shows that bioluminescence—the production of light from a living organism—is more widespread among marine fishes than previously understood.
Evolution
Jun 8, 2016
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60
Osteichthyans, or bony fishes, comprise two categories, each containing over 32,000 living species: Sarcopterygii (lobe-finned fishes and tetrapods) and Actinopterygii (ray-finned fishes). Nevertheless, actinopterygians have ...
Archaeology
May 20, 2016
0
230
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
(Phys.org)—A trio of researchers with the University of California's Department of Evolution and Ecology has found a predictable relationship between the size of predator fish mouths and the shape and spine characteristics ...
Of the nearly 1.5 million known animal species on Earth, those with backbones come in a stunning array of shapes and sizes. Vertebrates include fish, amphibians, reptiles, birds and mammals, and the number of species within ...
Plants & Animals
Aug 7, 2015
1
488
A pair of paleobiologists from Scripps Institution of Oceanography, UC San Diego have determined that the world's most numerous and diverse vertebrates – ray-finned fishes – began their ecological dominance of the oceans ...
Evolution
Jun 30, 2015
0
151
