Dutch wholesaler DeJong Marinelife has successfully bred the Circled Dragonet, Synchiropus circularis. Combine a male and female dragonet, feed them plenty of the right food and even captive spawning often comes naturally, but what makes this such a big deal…
Fish
Frogfish Has Surgery to Remove Algae Magnet Its Eaten
While it’s fairly well known that frogfish, in this case, a hairy frogfish (Antennarius striatus), will eat anything that can fit in its extremely large mouth, we did not expect our pet Tadpole to quickly pounce on a Two Little…
Three Super Rare Saltwater Fish Available Right Now
Over the years many of us have fawned over the amazing Twilight Zone fishes shared on Reef Builders, but few of us have seen most of these in person, let alone had the opportunity to purchase them. These animals are…
FAQs on Dwarf Angelfish
Dwarf angels are some of the most sought-after saltwater fish for reef aquariums, but are they reef-safe, can you mix them, and what size tank do they need? Here we answer all your most frequently asked questions via our email.…
Holy Grail Flasher Wrasse lands at The Abyss
The term Holy Grail is overused in the reefing hobby but this fish, Paracheilinus hemitaeniatus, is surely worthy of the title. Also known as the Madagascar or Half-banded Flasher Wrasse, this species only comes from Madagascar and adjacent coastal South…
Meet Nemateleotris lavandula, the Lavender-blushed Dartfish
The 19th century was a golden age for ichthyological exploration. It signified an era of what seemed like an endless slew of new discoveries, where even the most iconic and noble of species we know today were without names. Taxonomists…
Cocos Pygmy Angelfish is a rarely imported treat
List 10 rare Angelfish off the top of your head and this fish will probably feature, the Cocos Pygmy Angelfish, Centropyge joculator. Also known by its specific name, the Joculator Angel occurs only on the Cocos (Keeling,) Islands and Christmas…
Yellow Black Back Wrasse is Anampses twistii/neoguinaicus hybrid
Reef Builders is the home of naturally occurring saltwater fish hybrids and this latest specimen from Elliot Y. Lim of Marine Collectors is an absolute beauty! The fish is a mix of two popular Anampses wrasses – The Yellow Chest…
Sought after Squire’s wrasses now coming out of PNG
RVS has told Reef Builders that it has found a new location for Squire’s wrasses in Papua New Guinea. The find is just one of many fish and invertebrate gems that RVS has discovered in the country since gaining licenses…
Cleaner wrasses recognize themselves in the mirror
A research article published in the Proceedings of The National Academy of Sciences has found that cleaner wrasses, Labroides dimidiatus, have the capacity for mirror self-recognition (MSR). Researchers tested the theory by using mirrors, as Cleaner wrasses attack unfamiliar conspecifics…