Tag: fish

Scientists: Deep-sea fish can solve world food shortages

There is a lot of food hiding in the deep ocean and it could help feed the entire world. But we must take care not to overfish, marine scientists warn.

Giant-eyed fish discovered in Greenland

Discovery of a new species of fish confirms that the deep sea of the North Atlantic still hides many unexplored secrets.

Scientists solve the riddle of eel evolution

European and American eels emerged as separate species 3.5 million years ago -- yet they can still breed with each other. Scientists can now tell us how.

Dead parasites in your sushi can trigger allergic reaction

Eating raw fish containing tiny dead roundworms can cause an allergic reaction and at worst send your body into shock.

World’s fastest fish continues to impress

The sailfish is not only the world’s fastest swimmer. A new video reveals that its movements during hunting are the quickest ever seen in a marine animal.

Map outlines global hotpots of bycatch intensity

Fishery bycatch poses a great threat to various endangered species, and to ecosystems in general. Scientists have now mapped out the problem.

3D-scans may help curb widespread fish disease

The bacterium that causes enteric redmouth disease can now be tracked with a special 3D scanner. “The scans exceed our wildest dreams,” say researchers.

Pregnant women who eat fish get chubby daughters

When an expectant mother gets the environmental toxins PCB and DDE into her bloodstream from eating fish, her daughters are likely to become overweight, new Danish/Faroese study reveals.

Ancient fish face bears signs of modern jaw

A smiling fish that lived in China 419 million years ago revolutionises our conception of the origin of humans and most other vertebrate animals.

Fight fish disease with fish

Scientists are checking the possibility of limiting the spread of the dangerous fish disease FZT with the help of a very special fish.

Fish may not be good for your heart

New research indicates that a diet rich in fish does not prevent blood clots, as is commonly believed.

Sweeteners flow out into nature

Sweeteners from diet sodas are discharged into the wastewater from sewage treatment plants, and there are no limits to how much they can discharge. Researcher believes these substances might affect animal behaviour.

DNA test rewrites history of Greenland cod

The fish in Greenland’s great cod boom in the 1960s did not come from Iceland, as previously thought. They were ‘made in Greenland’

Fish corrupt Carbon-14 dating

Danish Stone Age settlements may have been misdated by up to 2,000 years. In sites where people ate fish, there might well be errors in the Carbon-14 dating of clay vessels.

Fish migrate to avoid predators

Tagged fish reveal that animals migrate to avoid being eaten by predators.

Mercury pollution robs EU kids of billions

Global mercury pollution affects children’s brain functions and thus also their odds of getting a low-salary job. The total annual loss of life earnings amounts to €9 billion.

A warmer Arctic causes fish to move

The ice is melting away in the Arctic regions, while precipitation is on the increase. The fresh water forms a lid over essential nutrients in key areas of the Arctic Ocean, and that can change marine life dramatically.

Bad news for greedy fishermen

New research in fish genetics makes it possible to determine the exact origin of any particular fish. This could make life difficult for fishermen who cannot stay away from endangered species.

Colour secrets revealed in fossilised fish-eye

A Swedish palaeontologist and Danish researchers have now proved that prehistoric fossils still have traces of colouring from the animal’s skin, hair or feathers.

Climate change makes cod grow

North Sea cod are growing far more than expected. The explanation lies in global warming.

Diverse herrings are super survivors

New research reveals how herring genes vary with the environment. The discovery could make it easier to protect the herring stock against future challenges such as climate change.

Fight asthma with fish

Children who start eating fish before the age of nine months are half as likely to develop asthma as ones who don’t.

Treadmill for fish is an export success

Danish marine biologist left the world of university bureaucracy and started a niche company developing fish respirometers. His past in the field of research has led the company to international success.