🦠 Pest & Problem Guides
Identification and treatment guides for common aquarium pests, diseases, and problems.
, also known as glass anemones or rock anemones, are one of the most common and persistent pests ...
are tiny, usually benign hitchhikers found in most reef tanks. These small, irregularly-shaped st...
are segmented polychaete worms commonly found in reef aquariums. They're often vilified by hobbyi...
is a particularly stubborn species of green algae that resembles tiny fern fronds or feathers. Un...
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, commonly called "cyano" or "red slime algae," is actually not an algae at all - it's a photosyn...
are single-celled algae that commonly appear as a brown, dusty coating in new aquariums. Often ca...
, commonly called "dinos," are single-celled organisms that can quickly take over a reef tank, sm...
are common reef aquarium pests that can quickly multiply to plague proportions. While some specie...
is one of the most common nuisance algae in reef aquariums. These green, filamentous strands can ...
are often considered attractive at first glance, with their colorful appearance and bulbous-tippe...
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(MEN) are tiny, well-camouflaged predators that feed exclusively on Montipora corals. These devas...
are sessile (non-moving) snails that build irregular, worm-like tubes on rocks and coral skeleton...