Wrasses are not a group of reef fish that don’t deviate from their template too much, but when they do it can be quite spectacular. Case in point is this aberrant cleaner wrasse, Labroides dimidiatus, fished up in the Philippines by…
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Chromis anadema is the newest species of Damselfish from Japan & W. Pacific
Chromis anadema is the kind of discovery that happens when researchers take a closer look at an other wise common group of fishes. In this case, a new investigation into the paletail chromis, C. xanhura revealed a new species with…
The Magma Fairy Wrasse, Cirrhilabrus shutmani, Just Described From Northern Philippines
Cirrhilabrus shutmani, the magma wrasse which was first discovered by RVS Fishworld has just been described. This completely novel wrasse species made a big splash when it first appeared as it was unmistakably new to both science and the marine…
The Black Phantom Is One Of The Rarest Angelfish In The Hobby
The black phantom angelfish is an unusual ‘species’ of angelfish from the northern Philippines which is by far much rarer than may of the holy grails we seek out in the saltwater aquarium hobby. Its body is the deepest shade…
Sustainable Collecting Is Bringing An Explosion Of New Filipino Fish
There’s a new hub for very interesting and novel reef fish in the aquarium hobby and it’s the Philippines. This might be somewhat counterintuitive since so many of the fish for saltwater aquarium fish have come from this nation 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…
Some People Just LOVE Tailless Pygmy Angelfish
There is something so cute and even a little bit endearing about a saltwater reef fish which has an obvious physical deformity, but acts just like a normal fish. We’ve all seen them, the one-eyed fish, the clownfish swimming in…
Young Purple Chromis albomaculata Are Deepwater Darlings
When fish collectors venture into new regions and show us fish that we’ve never seen before, it’s easy to get excited at the potential of some of these specimens being new species. Alas, ichthyologists have been hard at work for…
These Four Rare Fish Make For An Incredible Madagascar Biotope Aquarium
The Indian Ocean is one of the least explored ecoregions of the world, and madagascar in particular is nearly a black hole of information when it comes to ornamental aquarium fish. Thankfully in recent years RVS Fishworld‘s sister operation in…
On This World Oceans Day, Let’s Try To Do More For Coral Reefs
The reef aquarium hobby is such a wonderful cultural movement, it’s transformed how generations of us see, think and feel about wild coral reefs. Without successful reef aquariums and all that we’ve learned about corals from them, ‘coral reefs’ would…
