Parental egg-care in fish traps them in an evolutionary dead-end through the loss of the chorion-hardening system, find scientists from the Institute of Science Tokyo. Fish have diverse egg-caring ...

An investigation has been launched after dead fish were found in a Cornish river. The Environment Agency (EA) said it received reports at about 17:45 BST on Thursday of the incident in St Austell ...

In one of the wildest discoveries we’ve ever made, we opened up a dead fish and found thousands of baby catfish still alive inside. This unexpected find led us to build a new aquatic habitat to ...