[1] It connects Ragay Gulf on the north with the Ticao Pass and the Samar Sea on the south.

It is considered a very important biodiversity area of the country.

The pass has plankton-rich waters and constant current, and is home to a large marine diversity.

Species found there include whale sharks, thresher sharks, hammerhead sharks, tiger sharks, manta rays, dugong, various species of sea turtles, coral reefs, and the globally rare megamouth shark, but the pass also suffers from massive overfishing and poaching, as well as destructive blast fishing.

This article about a location in Bicol Region is a stub.