Fish use nearly twice as much energy to hover as to rest, revealing that staying still in water is anything but effortless.

The clownfish exposed to artificial light at night still spawned, and the eggs were still fertilized at a similar level as the normal fish. But there was no hatching.

"Unlike most fish, they have no swim bladder, meaning that they sink to the bottom as soon as the stop swimming. They are, ...

With the temperatures set to soar in the coming days, beach-goers are being warned of an unassuming little fish with an ...

THE National Poisons Information Centre of Ireland has issued a warning over the dangers of weever fish around the coast.

They are found all parts of the Irish coast but only in sandy areas, usually in warm shallow waters in the hour before and ...

Hovering fish aren’t loafing—they burn twice resting energy to make micro-fin tweaks that counteract a natural tendency to ...

Fish make hanging motionless in the water column look effortless, and scientists had long assumed hovering was a type of rest ...

Fish make hanging motionless in the water column look effortless, and scientists had long assumed that this meant that it was ...

Fish make hanging motionless in the water column look effortless, and scientists had long assumed that this meant it was a type of rest. Now, a new ...

For a long time, scientists believed this was how fish rested. Surprisingly, research reveals that this seemingly effortless ...

AN URGENT warning has been issued for thousands of people who are set to bask in the sun at the beaches in Ireland this week.