The Royal Dottyback: Pretty but Potentially a Royal Pain

Often described as a purple fish that looks like it’s been dipped in yellow paint (or is it a yellow fish that’s been dipped in purple paint?), the royal, or bicolor, dottyback (Pictichromis paccagnellae) is a visually stunning marine species…

The Rockmover Wrasse: What a Difference Adulthood Can Make!

In a previous post titled “Marine Fish Bait and Switch—5 Adorable Juveniles that Blossom into Brutes,” I listed the rockmover wrasse (Novaculichthys taeniourus), aka the reindeer wrasse or the dragon wrasse, among four other species that are typically sold in…

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…

Gymnomuraena zebra: Another Moray You Just Might Love!

On various occasions, I’ve written about my fondness for the snowflake moray eel (Echidna nebulosa), in one post even going so far as to claim there may be no better eel for the marine aquarium. My biases notwithstanding, I can’t…

The French Angelfish: Pretty, Curious, and Well Worth the Tank Space!

One of my more enduring memories of diving in the Florida Keys was coming across a pair of French angelfish (Pomacanthus paru) gliding in unison above the reef. Unlike so many other fishes that dashed into hiding as I approached,…

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…

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…

Panther Grouper: The Tankbuster “Poster Fish”

Every time I need to make a point about marine fish that are sold as small, cute juveniles but grow into real behemoths, the panther grouper (Cromileptes altivelis according to Fishbase/Chromileptes altivelis according to ITIS) is one of several species…

The Horned Bannerfish: Little Color but Lots of Character

When choosing fish species for our marine aquariums, bright coloration is often a highly sought-after characteristic. But there’s also something to be said for species with more subdued coloration that just happen to have really interesting morphology. One such species…