The Lawnmower Blenny: a Funny, Fascinating Fish of Unpredictable Utility

The lawnmower blenny, aka the jeweled blenny, jeweled rockskipper, or sailfin blenny (Salarias fasciatus), is commonly purchased not just for its comical behavior and only-a-mother-could-love looks, but also for the utilitarian purpose of controlling algae in marine tanks. While you can pretty much count on this droll little fish to provide interest and entertainment, its … [Read More]

Can Live Rock Be Added Directly to an Established Marine Aquarium?

“Caribbean Chris” and I are very frequently asked whether it’s okay to add new pieces of live rock directly to an established system. Ever erring on the side of caution, we generally discourage this practice. Instead, we recommend curing them in a separate saltwater-filled tank, vat, tub, bin, or other suitable vessel with heating and … [Read More]

My Pitch for “International Marine Aquarium Partner’s Day”

As I sit here and ponder the significance of Independence Day and the liberty it represents, it occurs to me that many of us in the aquarium hobby—in whatever country we reside—should also be grateful for the committed spouses or partners who, through their forbearance, give us the unfettered freedom to pursue our salty obsession. … [Read More]

What’s Your Excuse for Skipping Water Changes?

Excuses, excuses! When it comes to putting off those tedious maintenance chores, such as routine partial water changes, we hobbyists have a million of ‘em! But for every attempt we make to justify our indolence, there’s a more compelling counterargument for sticking with the regimen. Let’s look at some of the more common excuses we … [Read More]