Elasmobranch Enthusiasts (Part 3): Modern Husbandry – Filtration

From the ferocious great white shark (Carcharodon carcharias) to the graceful white-spotted eagle ray (Aetobatus narinari), Elasmobranchii are a diverse group of boneless fishes that are circumglobal, inhabiting a diverse array of habitats, temperature ranges, salinity, and niches in the world’s oceans and rivers. It is no wonder that these unique creatures, while usually boasting … [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]

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 and canister power filters is quite commonplace. But then, freshwater fishkeepers tend to think of … [Read More]

The Lowdown on Live Rock

“Live rock”: It’s one of the first terms new saltwater aquarium hobbyists hear—and one of the first times (of many) they may find themselves scratching their heads in bewilderment. Let’s clear up the confusion! What on earth is live rock? What exactly does this seemingly oxymoronic term describe? Is it another name for a stony … [Read More]

Protein Skimming: Bubble Your Way to Better Water Quality

Saltwater aquarium hobbyists today have a dizzying array of devices, doodads, and doohickeys at their disposal for improving water quality and maintaining appropriate water parameters. Some of these items are essential for aquarium success, while others might be more appropriately placed under the heading of “bells and whistles.” High on the list of what we … [Read More]