Saltwater Fish

Yellow Koi Scopas Tang is a Filipino Banana Split

Zebrasoma scopas is a widespread but highly variable surgeonfish species, with unusual color aberrations that are prized by the reefkeeping world. The Indian and Pacific Oceans have produced many freaks over the years from as far apart as Kenya to…

Anubis Tang is Probably the Rarest Surgeonfish Ever

We’ve been following Anubis, the one-off purple scopas tang hybrid, for almost a year now. Despite its radical juvenile appearance, we initially thought that the Purple X Scopas tang would lose its appeal as it grows. But we are glad…

Black and white Penguin tang is the latest aberrant Scopas to appear

Reefbuilders is the home of saltwater color morphs and has covered more koi, calico, yellow and piebald Scopas tangs than anyone else. So let us introduce you to our next example of polychromatism in Zebrasoma scopas, the Bicolor.

Pseudojuloides pluto and proserpina are two new pencil wrasses from Micronesia and the Marquesan islands

Prolific Ph.D. candidate Yi Kai Tea (Lemon Tyk) has published papers on not just two but four new species of Pencil wrasse this week. Pseudojuloides crux and P.paradiseus are now being joined by P.pluto and P.proserpina, taking the total number of Pencil Wrasse species to 18.

The Neon Blue Eye is a Nano Rainbowfish for a Saltwater Tank

If you like to extend the limits of what is possible in reefing then let us introduce you to the Neon Blue Eye, Pseudomugil cyanodorsalis. A genus of mainly freshwater fish from Australia and New Guinea, Pseudomugil gertrudae and furcatus are the two species you’ll usually find gracing tropical planted tanks with their delicate blue eyes, double dorsals, and male fin-flaring.

New Shoreline Hunting Behavior Recorded for Titan Triggerfish

In case you needed another reason to fear the titan trigger, apparently, they can nearly beach themselves for a snack. Keep an eye on your toes next time you’re walking at the beach, as a titan trigger could be lurking…

Biota Now Shipping Captive Bred Animals Direct To Consumer

Biota has just launched their new direct to consumer retail website. Now you can have a fully stocked reef tank with cultured and captive-bred animals. Biota offers over 130 livestock from fish to corals and invertebrates, something for every level of…

Takaki’s Japanese ‘Nature Aquarium’ Style Reef Tank

Calling all freshwater planted tank aquarists, we need more of you in the saltwater hobby!! If this beautiful split tank design is any indication of how the mind of planted hobbyist translates to the saltwater world… Join us!! Takaki Yagisawa…

Meet The “Sturddlefish” A Bizzare Looking Accidental Hybrid

A group of Hungarian aquatic scientists on the search to preserve sturgeon eggs for caviar accidentally created this bizarre-looking hybrid. Part American paddlefish and part Russian sturgeon, the “sturddlefish” study appeared this month in the scientific journal Genes. How it happened…

The Hybrid Beauty, Blue Phantom Angelfish by Poma Labs

Guest Author – Ken Kwan Back in 2019, Poma Labs revealed a new hybrid angelfish called the blue phantom. A hybrid between the beautiful Blue Line Angelfish (Chaetodontoplus septentrionalis), and the Black Phantom angelfish (Chaetodontoplus sp)., a distinctive and very dark…