Reposted by Rob Rainbolt
"Each pair had a bleached and a healthy fragment. He set up five pairs so that their fragments touched each other, and five with their fragments separated by a few millimetres. In the touching pairs, the bleached coral recovered within eight weeks."
nature.com
‘Incredible’: bleached corals thrive within days when touching healthy neighbour
A coral fragment can form a tissue bridge with a dying counterpart — and provide it with crucial microalgae.
