5 Types of Marine Fish that are Reef Safe with Caveats

When we say a marine fish is “reef safe,” we usually mean that it won’t eat the corals or other sessile invertebrates that we keep in reef systems. Using that definition, we can easily determine that, for example, the peaceful,…

Brownbarred Goby: Sand-Sifting Species Well Suited to Aquariums

Marine aquarists looking for a sand-sifting fish to keep the top layer of their sand bed stirred often run into a dilemma. Many of the species renowned for this behavior, such as the ever-popular and commonly offered yellowheaded sleeper goby…

Why Many Marine Fish Benefit From Mature Tanks

Astute salties out there will likely have observed that in some of our fish species profiles, we emphasize the need to keep the fish in a “mature” aquarium—meaning one that has been set up and established for at least six…

2013 recap: Top six breakthrough aquarium fish

2013 is ending really soon and as always, we have our yearly recap on what’s hot in the aquarium scene. Before this year, these fish were almost always either unknown of, or simply classified as “book fishes”. Today’s post will feature…

The juvenile Kamohara fang blenny is scribblier and more cryptic than the adults

It has been awhile since we’ve gotten one of the aquarium world’s first Kamohara fang blenny from Koji Wada of Blueharbor, and even recapped our trials and tribulations with the fish, but our love for this blenny is still burning…

Yellowheaded Sleeper Goby: A Fascinating but Challenging Sand-Sifter

Though not the most chromatically gifted species, the yellowheaded sleeper goby (Valenciennea strigata), is interesting to observe and can serve a utilitarian purpose in marine aquaria—regularly overturning and oxygenating the top layer of the substrate with its sand-sifting feeding behavior.…

Simple Tips for Effective Marine Aquarium Aquascaping

Since we launched Saltwater Smarts, we’ve been sprinkling the term “aquascaping” into our posts with reckless abandon. While many of you seasoned salties out there might be well acquainted with this term, others may find themselves scratching their heads each…

Getting to the Bottom of Aquarium Sand and other Substrates

The choice of substrate—the material placed on the bottom of the tank—for a saltwater aquarium is one of many areas in our hobby that generate confusion and disagreement. Ask 10 hobbyists which type and depth of substrate they would recommend,…