At the Blue Reef Aquarium in Portsmouth, Dr Lauren Nadler from the University of Southampton introduces us to some Blue Green Chromis fish to look for clues about how and why they form their large ...
Blue-green chromis fish (Chromis viridis) and bicolor chromis fish (Chromis margaritifer) swim among staghorn coral in Palmyra Atoll National Wildlife Refuge in the tropical Pacific Ocean. (Credit: ...