fish
-
Two Bull Sharks Swam Up the Mississippi River All the Way to St. Louis
Bull sharks are coastal creatures, but at least two of the animals were able to make it as far inland as St. Louis by swimming up the Mississippi River, according to a team of researchers who looked at the shark’s fossil record and reported sightings over the years.
-
The Wild Plan to Save 17 Million Salmon From California’s Megadrought by Driving Them to Sea
Usually, California’s iconic (and endangered) Chinook salmon hatch in freshwater bodies and then swim out to sea for most of their adult lives. But this year, Chinook populations in the state’s Central Valley will be hitching a ride downstream because severe drought conditions have made their traditional path untenable.
-
A Bloodsucking Fish May Not Be the Vertebrate Ancestor We Thought
Derpy from the side and hellish from below, the lamprey is the bane of the Great Lakes fisheries industry. A jawless, bloodsucking fish, the lamprey is often considered an ancestral early vertebrate for its rudimentary morphology and its larval life stage. Now, a team of researchers has authored a new study about fossilized lamprey larvae…
-
Octopuses Like to Punch Fish, New Research Suggests
Upsetting but strangely satisfying new research documents octopuses punching fish during collaborative feeding sessions. The octopuses primarily do it for practical reasons, but sometimes these underwater jabs seem to be purely spiteful.