Brown algae is a common problem in many fish tanks, especially those that have been recently set up. It’s not dangerous to fish but can turn your beautiful aquarium into an ugly mess. This slimy layer ...

If you’ve spent time near the coast and beaches around Bradenton and Anna Maria Island lately, you may have noticed thick, dark mats of icky-looking stuff floating in the water. What is it? And why ...

Algae can be beautifully bioluminescent in dark waters or show up in interesting colors near shore. But have you ever seen a “red tide”? Algae grow normally in the United States’ coastal waters … but ...

SOUTH LAKE TAHOE, Calif. — Lake Tahoe is famous for its blueness. The growth and spread of algae is one reason blue lakes around the world can go green in the summer. Algae forms the base of many food ...