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 (Valenciennea strigata), have the frustrating tendency of wiping out all the benthic invertebrates in the … [Read More]

When is it Okay to Leave a Dead Fish in a Marine Aquarium?

A fellow hobbyist once told that when a fish dies in his tank, he just leaves it there to rot because “that’s what happens in nature.” While he was right about the decomposition of a dead fish being natural, allowing it to happen within the confines of a closed aquarium system can be perilous depending … [Read More]

Good Reasons to Use a Refugium in Your Reef System

A refugium is a safe haven for algae and invertebrates in a separate tank from the main display aquarium. These organisms provide some distinct advantages to the overall health of a reef aquarium. First off, the critters breeding in the refugium occasionally make their way back to the display and offer healthy snacks for many … [Read More]

Lionfish Invasion: An Update on Successes

I still remember the first time I encountered an invasive lionfish. It was in the late spring of 2010 during a scuba dive on the North Wall of Grand Cayman. For those unfamiliar, the North Wall is where the coral reefs surrounding the island, at 50 to 70 ft. in depth, abruptly drop off to … [Read More]

6 Ways to Prevent Photoshock in Aquarium Corals

Many of the corals and other sessile invertebrates we keep in reef aquariums are considered “photosynthetic,” meaning much of their nutrition is produced by photosynthetic algae (zooxanthellae) residing in their tissues. Thus, there is a direct link between the type and intensity of a reef aquarium’s lighting and the health—or even survival—of the corals and … [Read More]