cause translucent white tissues, a protozoan. reference: http://www.marinebiology.org/coralbleaching.htm Mangrove Ecosystem Pneumatophores penetrate the sand surrounding a mangrove tree. Mangroves are trees and shrubs that grow saline coastal habitats in the tropics and subtropics – mainly between latitudes 25° N and 25° S. The saline conditions tolerated by various species range from