This fish grunts when it is ready to have sex SHARE YOUR SCIENCE: Have you ever lain on a seafront jetty fishing, perhaps with a cracked mussel on the hook? Then you have probably seen this colourful little fellow, the corkwing wrasse. The next time you see it, you should also prick up your ears
Trout may be dining on lots of lemmings You see a lemming swimming on the surface of the water. Then it disappears. What happened?
Salmon get their sense of direction from mum Offspring are twice as likely to find their way home if their mother was wild.
Goby behaviour says much about sexual selection One fish off the coast of central Norway has set a record for the number of female mates it had. And that’s not all.
Scientists shock cod to gauge pain Tests on Atlantic cod could lead to a discovery of whether fish simply react to harmful stimuli or actually feel pain much as we do.
Wild salmon can adapt to climate change Atlantic salmon are more capable of withstanding temperature changes than scientists had thought.
Fish choose a collision course Flying insects steer away from objects to avoid collisions, but fish swim toward them at full speed.
Fishing: Big increase in catch-and-release Anglers have in the last few years become steadily more likely to release their catches after reeling them in. Most of these fish survive the ordeal, but it is far from painless.
Salmon are shrewder in a natural environment Juvenile fish get some smarts after spending eight weeks in a more stimulating tank.
A cold cure for sick fish When pipefish are sick, they swim towards cooler water to get better. But what will happen when global warming causes the world's seas to heat up?
Creating sterile farmed fish Fish spend a great deal of energy in sexual maturation and the aquaculture industry would like to avoid that by raising sterile fish. This would also prevent runaway farmed fish from mixing their genes with wild cousins. Norwegian researchers are on the case.
CO2 is confusing fish OPINION: CO2 is affecting the central nervous system of fishes in the sea, with serious consequences for their chances of survival.