Red Zoanthid Nudibranch Are Beautiful, But Not In My Reef

Corals can harbor such a wide variety of different pests and parasites, that learning about and controlling all of them is a hobby unto itself. This is especially true of live coral dealers who are at the front lines of…

Why it is important to quarantine your fish and coral

Similar to the state of Hawaii’s required 120-day quarantine for pets, to maintain their status as the only rabies-free state, you can think of your quarantine tank as a model to prevent the “rabies” of the marine world. There is…

An introduction to coral crabs, good and bad

There is surprisingly little information specifically about coral crabs in aquaria.  Every now and then some hitchhikers arrive on our aquacultured and wild corals and we are able to gain a bit more insight into the life of coral crabs. Some crabs…

New insights on eradicating the dreaded Acro Eating Flatworm

Acropora Eating Flatworms aka AEFW aka Amakusaplana acroporae are the bane of SPS coral keepers, especially those of us with a penchant for Acropora species. Acro flatworms can turn an otherwise perfect reef system into an nightmare for the Acros in our…

How to thoroughly quarantine your Corals

 With just about every endeavor success breeds new challenges. As I have already noted in several articles, with the improved success we have now achieved in keeping just about every type of coral and invertebrate long-term we are now seeing…

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…

Lots of things can kill corals, suicide is not one of them

Over the years I have been asked a lot of questions by hobbyists regarding their corals and their tanks. Of these queries, the single most frequently asked question is” Why are my corals dying or why did this coral die?”…

New Crowdfunding project tackles the dreaded AEFW

Even the hardiest and most seasoned aquarium veterans are susceptible to the dreaded acropora eating flatworm(AEFW), only recently described as Amakusaplana acroporae. The dreaded AEFW can devastate an aquarium relatively quickly taking years of growth out in a matter of…

Zanclea hydroid is an Acropora and stony coral parasite you’ve probably never heard of

Zanclea is a genus of small hydroids that specializes at living on other marine creatures like corals, anemones, sponges and bryozoans. About five years ago we visited a healthy stony coral reef aquarium Seattle that had some staghorn coral colonies…

L.W.A.E.F.W.B.S. (Living With Acro Eating Flatworm Baster Society)

If you’ve never had any kind of coral specific pest, you haven’t been reefing long enough. Your corals may be in the clear now but at least once in your reefing future you will inevitably have to face some potentially…