Pericelis tectivorum, the GIANT Predatory Flatworm

Pericelis tectivorum is the name that was bestowed to a rare species of large flatworm that is occasionally encountered in reef aquaria and can really shock reefers who don’t know what to make of it. If you’re familiar with the…

Watch Out for a New More Damaging Euphyllia Flatworm

Coral pests are pretty much a fact of life for any reef aquarist or coral gardener, and these parasites and diseases range from slightly irritating to downright lethal. Recently we documented our experience with a ‘new’ flatworm that is more…

Is This a NEW Acro Eating Flatworm?

Coral pests are never fun, especially the type that are hard to remove with a simple dip. But undesirable parasites are even scarier and coral life-threatening when we don’t even know what we’re dealing with, as is the case with…

Anacropora Can Get Flatworms Too!

Anacropora is one of the lesser known small polyp stony coral species which are closely related to Acros and Montis. Montipora is known to be infested by pesky white nudibranch, Acropora has its issues with Amakusaplana (Acro Eating Flatworms) and…

Trap planeria and flatworms with JBL PlaCollect

The JBL PlaCollect is a simple planaria (flatworm) trap that doesn’t use chemicals. The simple device is basically a plastic tube with a cap and stopper that has a smaller tube to draw the flatworms in with some bait. Sure,…

Watch This Swimming Yellow-Spotted Flatworm
Have you ever seen a swimming flatworm? These colorful animals can be found moving swiftly across the reef, but to catch one in open water is the real treat. Flatworms are soft-bodied invertebrates which propel themselves through the water with a mesmerizing wave of the…
Coral flatworms can even infest our beloved Trachyphyllia

Coral flatworms come in a variety of shapes, sizes and colors, but if we find them on our beloved corals, chances are that the flatworm is not doing any good for it. The more corals we keep and see and…

Soleichthys maculosus flounder mimics toxic flatworms to an incredible degree

As much as we eat soles, halibut and flounders, it’s a pity that we almost never seen any representatives of this broad group of fishes in aquaria. One fish which would make a fascinating aquarium subject is the juveniles of…

Zeovit FlatwormStop has Acro Eating Flatworms (AEFW) squarely in its sights

FlatwormStop is a new treatment from Zeovit which allows direct dosing of a full stocked reef aquariums. FlatwormStop is safe for all fish and invertebrates and it works to eradicate Acro Eating Flatworms by stimulating the immune response of Acropora…

Planarians move up in the tree of life, no longer such a lowly life form

[vimeo width=”680″ height=”400″]http://vimeo.com/11416114[/vimeo] Convolutriloba retrogemma, the dreaded red planaria flatworm, is a loathed aquarium pest which just moved up in the world. Although once grouped with the Platyhelminthes, the true flatworms, the Planaria which include the familiar pest have recently…