A 'Devonian' aquarium: Modern mutant fishes replicate creatures of ancient oceans - Phys.org

Zebrafish are a common aquarium species, of value to hobbyists and scientists alike. Researchers have now engineered an unusual change in them that has echoes of Jurassic Park—but looks alone are deceiving. https://phys.org/news/2020-08-devonian-aquarium-modern-mutant-fishes.html