Fish Hatchery (image) Penn State Caption Conservation fish hatcheries are good at rearing lots of fish, but their survivability rate is low. Victoria Braithwaite, professor of fisheries and biology, Penn State, said that adding objects to make hatchery tanks more stimulating for the fish can make fish smarter and better adapted to survive in the wild. Credit Anne Gro Salvanes Usage Restrictions Non commercial use only Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.