Rock Beauty Angelfish: a Finicky Feeder Best Left in the Sea

On one of my earliest dives down in the Florida Keys back in the 1990s, a gorgeous yellow and black angelfish caught my attention as I drifted over a section of reef. In my mind’s eye, I envision the angel…

The Hardy, Colorful, Nano-Friendly Yellow Watchman Goby

Marine aquarium hobbyists who maintain nano tanks, whether by choice or necessity, often find it challenging to acquire fish that are well suited to their diminutive systems. But in the yellow watchman goby (Cryptocentrus cinctus), they can get all the…

Coral Catfish: Cute-Juvenile Syndrome with a Venomous Twist

A school of juvenile coral catfish (Plotosus lineatus) rolling and wriggling en masse along the ocean floor is among the more endearing sights one can behold in the marine realm. Not surprisingly, after seeing this phenomenon in nature or on…

The Harlequin Bass: An Exceptionally Hardy, Beginner-Friendly Marine Fish

Prized for its striking patterning, modest adult size, exceptional hardiness, and overall adaptability, the harlequin bass (Serranus tigrinus), denizen of the tropical western Atlantic and Caribbean, makes an excellent choice for the novice marine aquarist and experienced hobbyist alike. (In…

The Striated Frogfish: a Great Choice for the Oddball Fish Aficionado

Marine aquarists who are drawn to cryptic species with unusual morphology rather than bright colors might want to give the striated frogfish (Antennarius striatus) a second look. Actually, depending on the system it’s kept in, it may be necessary to…

Blackcap Basslet: A Comely Deepwater Cousin to the Royal Gramma

Most marine aquarium hobbyists are well acquainted with the royal gramma (Gramma loreto), a worthy tank inhabitant by virtually any measure. But G. loreto isn’t the only member of the Gramma genus that is well worth its salt. Another is…

The Yellow Clown Goby: A Practically Perfect Nano Candidate

Nano marine aquarium enthusiasts must be very discerning in their livestock selections to ensure any specimens they choose won’t outgrow their systems. Reaching a maximum size that can best be described as miniscule, the yellow clown goby (Gobiodon okinawae) is…

The Candy Basslet: A Sweet Deepwater Denizen on Many a Hobbyist’s Wish List

Ask any group of marine fishkeepers to name their most sought-after species—the fishes they’d really love to own if money and availability were no object—and most of them will likely place the candy basslet (Liopropoma carmabi) somewhere close to the…

The Two-Stripe Damsel: Hardiness and Hostility in Equal Measure

Among the pomacentrids (damsels and clownfishes) are many species that rank exceptionally high when it comes to hardiness in aquaria (thus their once common use as tank cyclers) but also tend to mature into little hellions that can turn a…

The Pyramid Butterflyfish: A Hardy, Reef-Safe Chaetodontid

While many of the butterflyfishes are challenging—if not outright impossible—to maintain in captivity for one reason or another, there are various species that go against the grain and make excellent or reasonably solid aquarium candidates. Among the “reasonably solid” species…