PhysOrg: Tropical herbivorous fish are beginning to expand their range into temperate waters - likely as a result of climate change - and a new international study documents the dramatic impact of the intrusion in the Mediterranean Sea.
Temperate waters are typically dominated by algal "forests" and have naturally low levels and limited diversity of herbivores, the researchers say. But as tropical fish move into these waters, they are consuming much of the plant life and changing the habitat as well as...