Acanthaster planci, more commonly known as the Crown-of-Thorn Starfish, is one of the leading causes of coral loss in the Great Barrier Reef. The crown-of-thorns starfish is a voracious predator which feeds on stony coral polyps, eating coral tissue faster that…
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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…
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…
BRS Reveals New Light Diffuser Accessory For Radion LED
Over the last five years or so the Radion LED lights from Ecotech Marine have proven themselves to be a great foundation of lighting for all sorts of aquariums, both fresh and salt, and even some terrariums. The multicolor spectrum,…
Chaetodon argentatus Butterflyfish Hybrid Spotted in Japan
So many times when we see aberrant or hybrid reef fish it’s in the setting of an aquarium livestock dealer. So it’s always a nice surprise to see some of these animals being spotted in their natural environment, and GT…
Ralph’s Reef Tank Is A Classically Perfect Mini Reef
When we first saw Ralph’s reef tank, we were immediately transported to a time when the aesthetic of saltwater aquariums was essentially to recreate a miniature reef. His glass box perfectly encapsulates this ideal with an incredible aquascape, large showy…
Can’t Say I’ve Ever Seen A Cyclo Like This One!
I like to think I’ve seen my fair share of disc and fungiid corals, I was alone in my appreciation of Lithophyllon in the early 2000s and I’ve got Sandalolitha frags out in the wild that are going on 14 years old.…
Epic Reefscape Photography In Tela Honduras
Have you ever thought about underwater landscapes—or better yet reefscapes? The reefscape extends as far as the eye can see. It includes, sponges, sea weeds, corals, and critters, but more importantly, it includes the hills, valleys, walls, and other physical…
