Author: Franzified / Source: Neatorama
These halo rings were first described in the 1960s and is now known as “grazing halos.” Now it has been investigated by Joshua and Elizabeth Madin, both ecologists and are husband and wife.The grazing halo theory says that the sea urchins and the fishes eat everything around the area.
This leaves behind bare sand. But why “grazing halos”?… these grazers are loathe to venture into the open, where they could be easily picked off by sharks, barracuda, snappers, and jacks. Their fear keeps them close to the reef, and their…
The post Halo Rings Around the Reefs: Who’s Making Them? appeared first on FeedBox.