Wildlife of Palau: part 2

These are some photos I took with my macro lens while I was supposed to be looking for baby corals. I'm not sorry. 

Sea star!

A giant clam, Tridacna sp.

I have no clue what this is, but the polyps are pretty.

This guy swam around us for several minutes. It's a Persian Rug Flatworm, and you should
totally check out this BBC segment about their reproduction. 

The tentacles of a Fungia coral.

A Goniopora coral