SYDNEY, Australia (AFP) — Coral fish become stressed and lose weight if they are separated from each other, hampering their chances of survival, an Australian study revealed Thursday. Scientists from James Cook University in Queensland state monitored blue-green damselfish from the Great Barrier Reef, isolating some, while allowing others to remain in their shoals to better understand why they prefer to socialise. Lauren Nadler, lead author of the study published in the Journal of Experimental […]