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]

Does a Naturalistic Environment Reduce Stress in Aquarium Fish?

For today’s post, I’d like to elicit your thoughts on an interesting phenomenon I’ve observed in my aquarium, specifically involving an aggravating repetitive behavior exhibited until fairly recently by my pair of blue-throat triggerfish (Xanthichthys auromarginatus). Allow me to set the stage: I introduced the blue-throats to my 125-gallon about a year and a half … [Read More]

Salty Q&A: Highly Rated LFS Falls Short

Caribbean Chris and I get lots of excellent, thought-provoking questions from Saltwater Smarts visitors that we believe might be of general interest to other salties out there. So we thought it would be worthwhile to begin posting some of them here in Q&A format. Of course, you’re always welcome to join the conversation by adding … [Read More]

Why Isn’t Cryptocaryon irritans a Major Problem for Wild Marine Fish?

During yesterday’s Thanksgiving get-together, which my wife and I host for my side of the family every year, a teenaged nephew asked me about marine ich (Cryptocaryon irritans)—the one fish disease he’s heard something about from a friend who keeps saltwater tanks. As I explained the parasite and its lifecycle and why I think it’s … [Read More]

Treating a Sick Marine Fish? First Do No Harm!

When a fish in our care gets sick, it’s a perfectly understandable impulse to want to throw every cure we can lay our hands on at the problem. But sometimes rushing ahead with a medication or other treatment can do more harm than good. When the cure is worse than the disease With some fish … [Read More]

Is It Okay to Quarantine Multiple Marine Fish at Once?

As regular Saltwater Smarts visitors are well aware, “Caribbean Chris” and I are strong proponents of quarantining all newly acquired fish for at least four weeks before introducing them to a display tank. But what about keeping two or more fish in the same quarantine tank (QT) simultaneously? Is that an acceptable practice? The answer … [Read More]

Brooklynellosis (Clownfish Disease): A Subtle, Fast-Moving Killer

As with many illnesses that affect people, fish diseases often manifest themselves in the earliest—and most treatable—stages through subtle, easily overlooked symptoms. Further clouding matters, many fish diseases have certain symptoms in common and are, therefore, easily confused with one another, making accurate diagnosis difficult. Among the fish ailments that are easy to miss, mimic … [Read More]

Want Healthy, Spawning Fish? Feed Them Properly!

Feed your fish. They are hungry. That may sound obvious, but most fish in captivity are starving to death because we are so fixated on water parameters. It’s fine to worry about water parameters, but you still need to feed your fish. Yes, water parameters are important and it’s fine to worry about them, but … [Read More]

Reefs Magazine Reviews “…Diseases of Marine Fishes”

In the latest issue of Reefs Magazine, editor Randy Donowitz published a review of The Salt Smart Guide to Preventing, Diagnosing, and Treating Diseases of Marine Fishes. He discusses the overall format, types of information included, and how the knowledge included in this resource can benefit saltwater aquarium enthusiasts at large. The majority of the … [Read More]