Endangered salmon returns to California streams after abundant rains
After one of the driest years in recent memory, the heavy rains that flooded California in late 2021 were welcomed by farmers, urban planners, and a much-awaited guest — the endangered coho salmon. “We’ve seen fish in places that they haven’t been for almost 25 years,” said Preston Read More...
Study: Goldfish can be taught to operate a vehicle
This interesting study, carried out by scientists at Ben-Gurion University of the Negev, looked at how capable a fish out of water really is. In an effort to understand animals' navigational capabilities the team used a goldfish as a subject, teaching it to drive a Fish Operated Vehicle Read More...
Mexico’s tequila fish brought back from the brink of extinction
Mexico’s tiny tequila splitfin fish was once a common inhabitant in the country’s Teuchitlán river in the western part of the country. But due to the combined effects of water pollution, invasive fish species, and over-extraction of water resources, the small fish became extinct in the wild. Read More...
Researchers spot Turkish fish for the first time since 1974
Ichthyologists recently came across a surprising discovery in two streams in southeast Turkey. The team was scouring the river when it came across a Batman River loach, a critically endangered fish last spotted in 1974. The hunt for the fish was part of the Search for Lost Fishes project from Read More...
Game of Trawls: How AI-equipped fishing nets could help reduce by-catch
While a very popular practice in the fishing industry, bottom trawling has long been criticized for its huge negative impact on marine ecosystems. A new device from researchers in France, however, could finally help make the method more eco-friendly. What is bottom trawling and why is it bad for Read More...
High altitude experiment shows that snow monkeys are excellent at fishing
Snow monkeys, also known as the Japanese macaque, are native to many of the main islands of Japan. These fluffy creatures are the most northern-based non-human primate out there, meaning they have some cold temperatures to put up with. Many live in the Japanese Alps, where in the winter months' Read More...
Study: Schools of fish operate like a superorganism
The world under the waves is still a mystery, with 95 percent of oceans yet to be explored. Scientists are always uncovering many new and exciting aspects of this ecosystem; from the importance of fish poop, to new species of whale, and even how fish use sharks like a day spa! Teams from the Read More...
Shark scales: a day spa for fearless fish
Sharks are the apex predators of the ocean. They consume between 0.5 to 3.0 percent of their body weight each meal, which takes two to three days to digest. Depending on which species out of nearly 400 we are talking about, their diet consists of fish, crustaceans, stingrays, turtles, squid, Read More...
Update: Holland's fish doorbell is a worldwide hit!
A couple of months ago, we wrote about a remarkable online “fish doorbell” or visdeurbel that allows spawning fish to swim through the canals of Utrecht in the Netherlands unobstructed by the Weerdsluis lock. The system is comprised of an internet-connected underwater camera located next to Read More...
Dutch citizens are using a “doorbell” to help fish pass this canal gate
Every year, thousands of spawning fish swim through the canals of Utrecht in the Netherlands. When they reach the Weerdsluis lock though, they often cannot travel further because the barrier — which acts as a dam — is rarely open. A new initiative, however, is now allowing regular citizens to Read More...