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Blue-green algae (BGA) is not actually an algae but rather a cyanobacteria – a very diverse and resilient group of bacteria that uses photosynthesis like plants. In freshwater aquariums, it’s known for its vivid blue-green color, but it can also appear in shades of brown, black, or even red.
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Blue green algae has a dark green color, it is very slimy, it grows and spreads over any surfaces and has a specific bad smell. In large quantities, it can kill off your entire aquarium ecosystem. Cyanobacteria will produce toxins, which are harmful for fish, shrimp and plants.
Oct 22, 2019 · Cyanobacteria overgrowth is a common aquarium issue and difficult to manage. Here is how to cope with what is also called blue-green or slime algae.
- Shirlie Sharpe
May 25, 2021 · Cyanobacteria, also known as blue green algae or red slime algae, behaves like both bacteria and algae. It can look reddish-brown or bluish-green in appearance and tends to show up slowly in small clumps/patches before quickly spreading and covering your aquarium.
Cyanobacteria, commonly known as “Blue-green algae or BGA”, can be a common issue in aquariums. Generally, cyanobacteria appear as slimy, greenish-blue, or blackish mats that cover surfaces in the tank.
Nov 28, 2023 · If you own an aquarium, you may have experienced blue green algae or cyanobacteria growth, which can be detrimental to the health of your aquatic plants and animals. Blue green algae can sometimes resemble green stringy moss or slime and can cover your aquarium’s surfaces.
Nov 3, 2022 · Well, this guide is about freshwater cyanobacteria, specifically the type found in your aquarium. And to avoid any confusion, I’m going to refer to it by what it looks like – in this case, blue-green algae. FishLab Fact: Spirulina is actually a non-toxic variety of cyanobacteria.
