Algae are inevitable when you own a fish tank. With proper planning and preparation, you can ensure algae in a fish tank are kept under control, so this plant doesn’t become an issue for your fish. If ...

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 ...

Algae in an aquarium are not a sign of neglect–quite the opposite: In a healthy tank, they are part of the ecosystem. However ...

Cultivating a saltwater fish tank is a bit like making a souffle — impressive if you pull it off, but delicate and easy to screw up. Still, it's easy to see why this hobby remains popular. At its best ...

PHOENIX — A one-celled aquatic invader that killed thousands of fish in the Salt River is now a growing concern at Roosevelt Lake. Dozens of gizzard shad in Roosevelt Lake died in September from the ...

A vast bloom of toxic algae is killing more than 200 species of marine life off the southern coast of Australia, scientists and conservation groups say. The algae — Karenia mikimotoi — appeared in ...

Fish that tend patches of stringy algae seem to shield branching corals from the worst effects of marine heat waves and help them recover after bleaching. In 2019, the reefs near the French Polynesian ...

LOUISVILLE — The most popular residents at Balfour might be the tropical fish that drift through the seven saltwater aquariums in this retirement community’s buildings. “It’s like bird-watching but ...

A dead fish floats in the Salt Fork River in August 2019 in a section where the water has a very bright green color, prompting Illinois Environmental Protection Agency officials to test for a possible ...

Large numbers of dead sharks and rays have been washing up on beaches after being exposed to the toxic algae More than 200 marine species off the coast of South Australia (SA) have been killed by a ...