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jeff kurtz
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Cool-Water Marine Species Sometimes Sold as Tropicals

As we often discuss here at Saltwater Smarts, one of the frustrating aspects of the marine aquarium hobby is the fact that some of the species commonly or occasionally available in the trade have no business in the average hobbyist’s…

The Many Faces of Mimicry in Marine Fish

In the fish-eat-fish world of the coral reefs, it can sometimes be beneficial to look like something you’re not. This strategy, known as mimicry, is employed by a wide variety of marine fish and other organisms in order to garner…

A Closer Peek at Marine Aquarium pH

One of the many important water parameters marine aquarium hobbyists must routinely monitor is pH. But what exactly is pH, what should the level be in a saltwater aquarium, what does an incorrect pH level tell us, and what’s the…

Salt Smart Tips for Soothing Those Hair Algae Headaches

Of all the irksome algae that can take hold in a saltwater aquarium, hair algae probably causes hobbyists more consternation than any other. So named for its hair-like, furry, or feathery appearance, this filamentous algae (for the sake of simplicity,…

Chrysiptera parasema: a Gem of a Damsel

Ask the average marine aquarium hobbyist to identify the most aggressive coral-reef fishes, and the damselfishes of the family Pomacentridae are likely to be placed somewhere very close to the top of the list. For many damsel species, the reputation…

Marine Aquarium Problem? Don’t Panic!

Henry Wadsworth Longfellow famously wrote, “Into each life some rain must fall.” For marine aquarium hobbyists, that “rain” often comes in the form of a troublesome algae outbreak, the appearance of an uninvited pest, out-of-whack water parameters, sick specimens, livestock…

5 Ways to Counteract Coral Combat in the Marine Aquarium

At a casual glance, corals would appear to be an inoffensive lot, generally espousing a “live-and-let-live” philosophy. After all, when you’re firmly affixed to the substrate, how much trouble can you really cause for your neighbors? Plenty, as it turns…

The Basics of Marine Aquarium Backgrounds

When setting up a new saltwater aquarium, one of the many decisions you’ll need to make is whether you want to put a background on the tank and, if so, what kind you’d prefer to use. The choice of background…

Discosoma Mushrooms: Beautiful, Adaptable, Beginner-Friendly Corals

Some of the most beautiful creatures in this hobby are neither rare nor difficult to keep but get glossed over by experienced reef aquarists because they are not the “latest and greatest” coral specimens that landed on our shores. So…

What to Consider When Keeping Toxic Marine Fish

Toxic marine fishes kept in aquariums present certain husbandry challenges that hobbyists should be aware of if they plan to purchase one. I’m not referring to fishes that possess venomous spines or deliver a venomous bite, such as lionfishes, rabbitfishes,…