5 Circumstances that Warrant a Species (or Specimen) Tank

A diverse community of marine fishes presents quite a visual feast, especially when housed in a reef system brimming with colorful corals. However, in some stocking situations, it’s preferable to avoid the “typical” marine community (if there is such a thing) in favor of a single-species or even a single-specimen tank. Ah, but if you … [Read More]

Salty Q&A: How Long Before My Tank Is Cycled?

Question The fish store dealer who’s helping me through the setup of my first saltwater aquarium told me I need to give the tank time to cycle before I put any fish or corals in it. As of right now, the tank has been operating for about a month. Is that long enough for it … [Read More]

Threadfin Cardinalfish: Peaceful and Most Impressive in Numbers

Walk by an LFS sales tank containing a few specimens of threadfin cardinalfish (Zoramia leptacantha), and you might not give them a second glance. Chromatically speaking, this species isn’t exactly a showstopper compared to some, especially when viewed in your average LFS environment. But don’t let this cardinal’s unassuming appearance fool you; it can make … [Read More]

Testing: Nano-Bubbles

Recently, the folks in my area got enamored with the topic of “nano‐bubbles” for the reef tank. Being a curious engineer and avid tinkerer of tanks, I jumped right in to test it for myself. So what are nano‐bubbles and what is the concept being prescribed? Well, there are many sources online that talk about … [Read More]

Reefs In Decline

I have been lucky in my life to have had the opportunity to dive in some of the prettiest and most diverse underwater habitats on earth. Without exception, the nicest dive sites are far from civilization, which stands to reason. But today I want to talk about the places that are in trouble biologically speaking. … [Read More]

Fish Disease Symptoms Aren’t Always What They Seem

Most marine aquarium hobbyists keep a close eye on their fish for certain tell-tale signs of ill health. And that’s a good thing, since quick intervention in the case of fish disease can often be the difference between life and death for the specimen(s). On the other hand, we do need to be cautious about … [Read More]

10 Tips for Limiting Marine Livestock Losses

Distilled down to its essence, success in the marine aquarium hobby is about keeping fish and invertebrates alive and thriving. And while it may sometimes seem as though fate plays a major role in how animals fare under our care, several decades of aquarium-keeping experience (and more than a few missteps) have taught me that … [Read More]