Seeing Red: The Colorful, Cantankerous Maroon Clownfish

Many of the clownfishes have a well-deserved reputation for feistiness. But there’s one clown that makes all the others seem like milquetoasts by comparison—the maroon clownfish (Premnas biaculeatus) from the Indo-West Pacific. Though it’s among the hardier and more strikingly…

X. auromarginatus: A Well-Mannered, Reef-Friendly Triggerfish

As I alluded in an earlier post about the Niger triggerfish (Odonus niger), triggers in general aren’t usually among the first species that come to mind when one is seeking an aquarium specimen with a peaceful disposition. Certainly as far…

The Psychedelic Sixline Wrasse

Whenever I’m asked to recommend a hardier, similarly sized, and equally attractive alternative to the green mandarinfish, the first species that usually pops into my mind is the sixline wrasse (Pseudocheilinus hexataenia). If you can acquire a healthy specimen, you’ll…

You Can Succeed with the Copperband Butterflyfish
Copperband butterflyfish (Chelmon rostratus) are among my favorite fish and have almost always been a staple in my tank since the saltwater hobby started in the 70s. It’s not just the beauty of the distinct black-bordered yellow stripes on a…
Purple Firefish: A Shy Beauty for the Small, Peaceful Aquarium

Marine aquarists looking for a gorgeous, interesting, nano-friendly fish might entertain the idea of keeping the purple firefish (a.k.a. the purple dartfish, elegant firefish/dartfish, and decorated firefish/dartfish, among various other common names). Given appropriate tankmates and care, this graceful, hardy,…

A. nigropunctatus: The Pet-Like Dogface Puffer

Hobbyists with sizeable tanks who are looking for a truly pet-like fish won’t be disappointed in the aptly named dogface puffer (Arothron nigropunctatus). Looking rather like a pudgy beagle with fins instead of paws, A. nigropunctatus is loaded with piscine…

Keeping the Aptly Named Coral Beauty Angelfish

If you have a real yen for marine angelfishes but lack the tank space to accommodate one of the large iconic species, such as the queen angel (Holacanthus ciliaris) or French angel (Pomacanthus paru), you’ll be pleased to know that…

Chrysiptera parasema: a Gem of a Damsel

Ask the average marine aquarium hobbyist to identify the most aggressive coral-reef fishes, and the damselfishes of the family Pomacentridae are likely to be placed somewhere very close to the top of the list. For many damsel species, the reputation…

How to Beat Those Pacific Blue Tang Blues

Its common names include the Pacific blue tang, regal tang, hippo tang, palette surgeonfish, yellow-tail blue tang, and probably several others that presently elude me. Kids know it as the addle-brained Dory from Finding Nemo. Whatever common name you apply…

Yellowheaded Sleeper Goby: A Fascinating but Challenging Sand-Sifter

Though not the most chromatically gifted species, the yellowheaded sleeper goby (Valenciennea strigata), is interesting to observe and can serve a utilitarian purpose in marine aquaria—regularly overturning and oxygenating the top layer of the substrate with its sand-sifting feeding behavior.…