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jeff kurtz
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The French Angelfish: Pretty, Curious, and Well Worth the Tank Space!

One of my more enduring memories of diving in the Florida Keys was coming across a pair of French angelfish (Pomacanthus paru) gliding in unison above the reef. Unlike so many other fishes that dashed into hiding as I approached,…

What Constitutes a Marine Biotope Aquarium?

For today’s post, I’d like to take a slightly different tack than usual. By presenting my meandering thought process on the concept of marine biotope aquariums, I’m hoping to elicit some input from you, my fellow salties, on precisely how…

5 Circumstances That Test Marine Aquarists’ Willpower

Several elements/traits are key to success in the marine aquarium hobby. Among them are a fundamental understanding of aquarium-keeping principles, the proper equipment for the type of system you plan to keep, diligent attention to maintenance and detail, willingness to…

Marine Aquarium Terminology: “Nutrient Export” Defined

Among the myriad mysterious terms that might give neophyte marine aquarists a migraine (okay, I’ll stop with the gratuitous alliteration now) is “nutrient export.” What does this term mean? Is it just a fancy way of saying “filtration”? Well, not…

Quality Marine Receives Biota Marine’s Cultured Balistoides conspicillum

“Caribbean Chris” and I are proud to assert that promoting sustainability in the marine aquarium hobby is an important part of our mission. However, every now and again, we’re asked to clarify precisely what we mean by “sustainability” in this…

6 Steps to Stable pH in a Saltwater System

Stability of water parameters is essential to success with marine aquariums, especially when it comes to keeping sensitive invertebrates. Among the various parameters that hobbyists often struggle to maintain at an appropriate level is pH, essentially a measure of how…

A Pint-Sized, Potentially Picky Lionfish: Dendrochirus biocellatus

Yearn to keep a lionfish but don’t think you have the tank space to accommodate one? You might want to think again! While having a small to medium-sized tank might preclude keeping some of the popular Pterois species, there are…

Toledo Zoo Aquarium Renovation – Update 15: Grand Opening Today!

Virtually since we launched Saltwater Smarts back in April of 2013, we’ve been bringing you regular updates on the progress of the $25.5 million renovation of the Toledo Zoo Aquarium. Today, we’re thrilled to announce that this ambitious project has…

How to Acclimate Marine Animals in 8 Easy Steps—Plus 5 Cases When You Can’t

A simple acclimation process The following process is one that should be employed for all normal acclimation of animals from one system to another. STEP 1 If possible, determine the water quality values for the aquarium that the fish will…

Marine Fish Issues: When It’s Best to Leave Well Enough Alone

In most cases, issues affecting marine fish—diseases, behavioral issues, compatibility concerns, etc.—should be addressed and rectified as quickly as possible, lest small problems transform into much bigger ones. But there are some circumstances in which the best course of action…