Marine/Saltwater Fish

5 Maddening Things Marine Fish Do

I love marine fish. I really do. They’ve been part of my life for decades, and observing their beauty and behavior both in the wild and in aquaria seems to fulfill some primal need in me that’s, frankly, impossible to…

5 Circumstances That Test Marine Aquarists’ Willpower

Several elements/traits are key to success in the marine aquarium hobby. Among them are a fundamental understanding of aquarium-keeping principles, the proper equipment for the type of system you plan to keep, diligent attention to maintenance and detail, willingness to…

Marine Aquarium Terminology: “Nutrient Export” Defined

Among the myriad mysterious terms that might give neophyte marine aquarists a migraine (okay, I’ll stop with the gratuitous alliteration now) is “nutrient export.” What does this term mean? Is it just a fancy way of saying “filtration”? Well, not…

Quality Marine Receives Biota Marine’s Cultured Balistoides conspicillum

“Caribbean Chris” and I are proud to assert that promoting sustainability in the marine aquarium hobby is an important part of our mission. However, every now and again, we’re asked to clarify precisely what we mean by “sustainability” in this…

A Pint-Sized, Potentially Picky Lionfish: Dendrochirus biocellatus

Yearn to keep a lionfish but don’t think you have the tank space to accommodate one? You might want to think again! While having a small to medium-sized tank might preclude keeping some of the popular Pterois species, there are…

How to Acclimate Marine Animals in 8 Easy Steps—Plus 5 Cases When You Can’t

A simple acclimation process The following process is one that should be employed for all normal acclimation of animals from one system to another. STEP 1 If possible, determine the water quality values for the aquarium that the fish will…

Want Healthy, Spawning Fish? Feed Them Properly!

Feed your fish. They are hungry. That may sound obvious, but most fish in captivity are starving to death because we are so fixated on water parameters. It’s fine to worry about water parameters, but you still need to feed…

Marine Fish Issues: When It’s Best to Leave Well Enough Alone

In most cases, issues affecting marine fish—diseases, behavioral issues, compatibility concerns, etc.—should be addressed and rectified as quickly as possible, lest small problems transform into much bigger ones. But there are some circumstances in which the best course of action…

Naso lituratus: a Sleek, Striking, Outstanding Fish for Spacious Marine Aquariums

Certain marine fish really make me wish I could afford to set up and maintain a much larger aquarium. Among these is Naso lituratus, the lipstick tang, aka the naso tang, tricolor tang, or orangespine unicornfish. Alas, this hardy, attractive…

A Hawkfish Even “Caribbean Chris” Could Love

Regular Saltwater Smarts visitors know that “Caribbean Chris” has an irrational (bordering on pathological) hatred of all marine life not connected in some way to the Caribbean Sea or tropical western Atlantic. By logical extension, most of the hawkfishes, being…