The wild population of boxer pupfish in Mexico appear to have gone extinct, conservationists say.

The company wants to flood farmland to compensate for killing tonnes of fish at Hinkley Point C.

Environment watchdog Sepa has launched an investigation into the incident.

It's taken two years to build and is 200m (656ft) long, but why does the River Trent need a fish pass?

A vet in Dublin has saved the life of a "starving" goldfish after carrying out a rare operation to remove a suspected tumour from his face.

The Environment Agency says it is looking into the incident at Springfield Mere.

One community near where EDF may create a huge saltmarsh say they will fight the plans.

Last year, the Java stingaree became the first fish to be declared extinct as a result of human actions. Could there soon be others?