Octopus Cities Scientists have discovered an octopus city, and they’re calling it Octlantis! The cephalopod city is located in Jervis Bay off the coast of eastern Australia and suggests the gloomy octopus species (Octopus tetricus) are not the loners we thought they were.…
Sanjay’s 500 Gallon Mega Reef Tank Video
In the American reef aquarium scene, the name Sanjay Joshi is synonymous with reefing knowledge, experience, and especially brightly lit reef tanks. Also known as ‘Photon Man’ to his inner circle, Sanjay is a down-home reefer just like the rest…
Top 10 Unknown Azoox Corals
The American reef aquarium hobby is always looking for the latest and greatest new strain of corals to grow and exalt. Strains of very familiar corals like the Homewrecker Acro and Kun Pao Monti may turn some heads and have…
Five New Products Shaping The Future Of Reef Tanks Part 4: Smart Controllable Pumps
If there’s one thing that is inherently different about water pumps we’re using today compared to ten years ago, it’s the explosion of direct current and controllable water pumps. Propeller pumps from Tunze and Ecotech Marine have always been of…
The Best Pictures Yet Of The Rare Greytail Angelfish
The greytail angelfish, Chaetodontoplus poliourus, is one of the newest species of marine angelfish. It’s also pretty special to us because it was the first ‘new species of angelfish’ we ever got to write about here in Reef Builders. First described…
Mistakes Newbies Make
Literally every person I know laments over the mistakes they made in the past. Many of us fondly recall our early years in the hobby, and we also all remember the mistakes we made then. This often leads to the…
Want to know what it feels like to get zapped by an electric eel?
This guy knows firsthand just what the shock from an electric eel feels like — and he did it all in the name of science. Kenneth Catania put his arm out in harms way just so he could better understand exactly…
How To Program Your LED Lights For A Reef Tank
Back when we were just using T5s or metal halides, the ‘programming’ was only concerned with how long to run the lights of a given intensity. But now that we’ve got access to multiple channels of light, in various colors, it can…
Chrysiptera burtjonesi Is A Gorgeous New Damselfish From The Solomon Islands
Chrysiptera burtjonesi is a beautiful new species of damselfish which has just been described from the Solomon Islands. This damselfish is very special to me because as recently as a couple years ago I saw this fish in many habitats…
