New fossil species from a fish-eat-fish world when limbed animals evolved
Scientists who famously discovered the lobe-finned fish fossil Tiktaalik roseae, a species with some of the clearest evidence of the evolutionary transition from fish to limbed animals, have described anothe ...
Dusting for prints from a fossil fish to understand evolutionary change
In 370 million-year-old red sandstone deposits in a highway roadcut, scientists have discovered a new species of armored fish in north central Pennsylvania.
California voters, lawmakers have no say in OK of major river diversion plan
It may be the most ambitious habitat restoration project ever conceived in the United States.
Invasive species: Understanding the threat before it's too late
(Phys.org) —Catching rides on cargo ships and fishing boats, many invasive species are now covering our shorelines and compromising the existence of our native marine life.
Genetic analysis calls for the protection of two highly endangered Portuguese fish species
The two endangered fish species, Squalius aradensis and S. torgalensis, most generally belong to the Cyprinidae, or the carp family. This is the largest fish, and vertebrate family, formed of freshwater ...
Study finds mounting mercury threat in Peru Amazon
A study of mercury contamination in a southeastern Peruvian jungle area ravaged by illegal gold mining found unsafe levels of the toxic metal in 78 percent of adults in the regional capital and in 60 percent of fish sold ...
New research shows white sharks have a larger appetite than originally thought
(Phys.org) —A ground-breaking new study challenges popular assumptions about the feeding behaviour of the world's largest predatory fish, the white shark.
Overfishing of small species causes jellyfish curse
Marine biologists say they have proof that excessive trawling of small fish species leads to proliferation of jellyfish, a worsening phenomenon whose causes have been unclear.
Japan tsunami town on watch for shark deal
An international agreement to protect sharks could spell trouble for one tsunami-wrecked port in Japan as it struggles back to its feet two years after being swept away, locals say.
Marine diversity study proves value of citizen science
Citizen science surveys compare well with traditional scientific methods when it comes to monitoring species biodiversity – according to new research from the University of East Anglia.
Floating tsunami trash to be a decades-long headache
The tsunami that ravaged northeast Japan in March 2011 created the biggest single dumping of rubbish, sweeping some five million tonnes of shattered buildings, cars, household goods and other rubble into ...
New fish species described from the streams of Manyas Lake basin, Turkey
The newly described species Alburnoides manyasensis, belongs the large carp family Cyprinidae that includes freshwater fishes such as he carps, the minnows, and their relatives. This is the largest fish f ...
Local dig uncovers new species of ancient fish
(Phys.org) —Researchers from The Australian National University (ANU) working on the New South Wales south coast have discovered a new species of ancient fish, after unearthing the largest fossilised lobe-finned ...
Researcher discovers plankton adjusts to changing ocean temperatures
(Phys.org) —It was often assumed marine plankton would be easy prey, especially in the dense viscosity of colder waters, but that is not necessarily so.