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jeff kurtz
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The Minimal Role of Mechanical Filtration in Marine Aquariums

Mechanical filtration—the physical straining out of suspended particulates from aquarium water—has something of a mixed reputation among marine aquarium hobbyists. This may seem odd to those with experience in the freshwater side of the hobby, where the use of hang-on-back…

The Anatomy of an Invasion: Lionfish

As iconic ornamental marine fish, Pterois spp. are coveted for their unique beauty which is bookended by elegant (but venomous), banner-like finnage. Native to the Indo-Pacific region, lionfish were reportedly discovered in South Florida as early as 1985 with sightings…

4 Reasons There’s No Better Eel Than the Snowflake Moray

That’s the point I tried to communicate to my wife, Melissa, when developing the livestock list for the 125-gallon FOWLR (fish-only-with-live-rock) tank that now resides in our living room. I really wanted to include a snowflake moray (Echidna nebulosa), a…

An Introduction to Reef Aquarium Lighting

Saltwater aquarists who choose to take the plunge into reef keeping quickly come to an interesting realization: The lighting used in such systems is of paramount importance. Whereas lighting in fish-only systems is primarily an aesthetic concern (for the most…

Tips for Adding New Fish to an Established Community

Here at Saltwater Smarts, we frequently advise our fellow salties to introduce fish species to an aquarium in the order of least aggressive to most aggressive. Using this tactic goes a long way toward ensuring peaceful cohabitation in a fish…

Cleaner Shrimp: Practically Perfect Marine Aquarium Invertebrates

When we think of symbiosis on tropical coral reefs, the classic example of clownfishes and their host anemones often comes to mind. However, there’s another model of symbiosis that’s every bit as fascinating to observe but much easier to recreate…

Flame Angelfish: Heavenly Beauty With a Touch of Devilishness

The aptly named flame angelfish (Centropyge loriculus) is an eye-popping Pacific beauty that stops people in their tracks when they catch sight of it in a home aquarium or LFS sales tank. This stunning dwarf angel has much to recommend…

6 Steps to Help Prevent Aquarium Leaks

A thriving saltwater system is a thing of beauty and a joy to behold—as long as the salt water stays in the tank where it belongs, that is! While most of the aquariums manufactured today represent a high level of…

Putting Aquarium Water Parameters to the Test

It’s crucial to keep tabs on several key aspects of water chemistry if you want to succeed with a saltwater aquarium. That means you’ll have to develop the habit of testing certain parameters on a routine basis. But that doesn’t…

Calling All Freshwater Keepers, You Can Make the Switch!

I’ve kept freshwater aquariums before, but saltwater aquariums? Aren’t they really difficult?” Chris and I frequently hear comments like this from non-hobbyists as well as from freshwater aquarists who are contemplating making the saltwater switch. The prevailing impression among the…