A Beautiful Porcelain anemone Crab

How to Acclimate Your Captive Bred Invertebrates

Aquarists like to broadly divide classes of aquarium livestock into two big groups, the fishes and the invertebrates. The second group is a huge catch-all, as it includes all non-fish livestock ranging from sponges to crabs. Though invertebrates are overall more sensitive than fish to sudden environmental change, ideal acclimation procedure varies somewhat between the …

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A Sump AND a Refugium?

Our aquarium systems grow over time. It’s almost inevitable. It’s well-nigh organic. And we surely all hope that as they grow, they get better. One proven way to dramatically improve the functionality of an existing system is with the addition of a sump or refugium. The conventional overflow-with-sump/refugium plumbing design (we can call it a …

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Sea Lettuce (Ulva lactuca): The Most Underappreciated Macroalgae?

The use of macroalgae in marine aquaria has steadily increased over the years. Ever since they have become more widespread in the aquarium hobby, they are increasingly being cultivated for specialized purposes. This specialization has generated the demand for a more diverse selection of “macros” with each species being preferred for a particular application. Some …

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