“The inside of the structure that causes the coloration contains a substance that is highly reactive and may act as a feeding repellent to algae-eating fish. Such a repellant is more effective when ...

The brown alga Sporochnus dotyi reflects shimmering green and blue light when illuminated from above. An example of structural coloring, the effect has been discovered by scuba divers and is not known ...

Dec. 8—Aquatic biologists have long known the importance of algae-eating fish to the overall health of coral reefs. But new research documents just how important species like surgeonfish and ...