This newly described species is found only in the Red Sea. Often confused with Hector's goby, Hosai's goby has a yellow stripe going over its eye and rejoining behind.
How many manta rays are in the Seychelles? Where are they going? When are they there? All is revealed.
Researchers have found that fish have developed their own mosquito nets in order to get a good night's sleep.
Lionfish, genus Pterois, is very popular amongst those with aquariums, and this trade may have led to them being described as amongst some of the most aggressively invasive species on the planet. Lionfish are native to the...
Good news for Indonesia's shark sanctuary: sharks and other fish are more abundant within zones with fishing restrictions according to a new study. Bad news for the people who fish for a living - they sometimes turned to crime...
The warming Mediterranean exacerbates the problem of invasive lionfish. What can divers do?
All clownfish start off as male, but can switch to female when circumstances allow, for example, when the only female present dies or disappears. In a new study, researchers found that the male-to-female sex-change occurs first in...
People eat a lot of fish. Different sex-changing fish can follow several signals that prompt them to change sex. Some change from female to male at a fixed size or age. Often, fisheries will only harvest fish over a certain size. This means catching more males because they are usually bigger, which then skews the population towards female. Not enough males are then available to fertilise all the eggs produced by the females.
1. They are the most poisonous fish in the sea
The Puffer is harmless, unless eaten. The liver, intestines, gonads and skin are highly poisonous and cause death in around 60% of people...
The most common clownfish in the Red Sea, hence its name. But it doesn't just live in the Red Sea. You will also find it in the Gulf of Aden and in the Chagos Islands in the...