5 Cleaner Wrasse Myths

The introduction of Labroides spp. cleaner wrasses to marine aquarium systems is generally ill-advised. Though some hobbyists report success in keeping these obligate cleaners long term, the vast majority of specimens entering the market are doomed to perish prematurely from starvation. Nonetheless, despite their abysmal captive survival rate, people continue to buy these wrasses, likely … [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]

3 Good Reasons to Quarantine Live Rock

Here at Saltwater Smarts, we emphasize again and again the importance of quarantining all marine livestock before introducing it to an established aquarium. But what about those pieces of live rock that we occasionally add to our established systems to bolster biodiversity and biofiltration or simply to spruce up the aquascaping? Do those need to … [Read More]

Authoritative New Guide Offers Expert Insights on Marine Fish Diseases

If Chris and I were to categorize all the questions we receive here at Saltwater Smarts, it’s safe to say the vast majority would fit under the heading of “fish disease and health issues.” While we’re always happy to offer advice to our fellow salties and help them succeed in any way we can, responding … [Read More]

Fish Health Through Slime

Fish diseases—they are the meat of fish forums and the subject that takes up the most ink (or whatever causes words to form on a computer screen), so for today’s post, I am going to discuss fish immunity in relation to fish slime. Fish, like every organism, have an immune system that is specifically designed … [Read More]