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The biogeography and evolution of Paracentropyge

paracentropyge map

The geographical distribution of P. multifasciata, P. venusta and P. boylei. Map courtesy of Joe Rowlett.

 The genus Centropyge is one of seven in the family Pomacanthidae, and comprises of 34 known species distributed in all tropical oceans. This genus is the most species rich of the angelfishes, and attains its maximum diversity in the abundant coral reefs of the Indo-Pacific. Their appearance has earned them the “dwarf angelfish” moniker, which rather aptly describes their small and diminutive stature. Unlike other Pomacanthids, Centropyge are shy, and their taciturn nature often becomes apparent through fleeting glimpses in coral labyrinths or calcareous catacombs. However, despite their coy personalities, most dwarf angelfishes are exuberantly colored and very successful, persisting in habitats ranging from shallow reefs to soul sucking depths in the mesophotic twilight zone. MORE

Apple Care Extending Coverage with ‘FlipperPhone’ Plan

FlipperPhoneGenerally speaking, dropping an electronic device into a large body of water is more or less giving it an impromptu burial at sea, but if you happen to be around a friendly cetacean, you might just have a better turnout. Dolphins rely heavily on chatting as a means of communication with one another, so is it really all that surprising how this particular one reacted when some poor girl dropped her iPhone into the depths of the Atlantic? He just wanted to make sure she could keep in touch with her pod! And since we’re in an age where everything can be documented, even whilst floating on a secluded platform in the middle of the ocean, there’s video of the selfless act below (it’s adorable, but could have done without the squealing).  MORE

Reef Threads Podcast #247


It’s Quiz Week on Reef Threads.

  This week we celebrate Podcast day and learn some things while quizzing ourselves with Martin Moe’s Marine Aquarists’ Quiz Book. Set aside some time to listen and learn with us. Download the podcast here, or subscribe to our podcasts at iTunes. Also, follow us on Twitter at reefthreads.—Gary and ChristineBuy the bookThe Marine Aquarists’ Quiz Book, Martin and Barbara Moe

Steve Tyree Books: Now in Digital Format

Announcing the conversion of two Steve Tyree print books, which have been out of print for a few years, to ebook format. They are both available for purchase and download at reef farmers. The first is: Volume 1 of the Coral Maintenance Advanced Techniques: The Environmental Gradient Cryptic Sponge and Sea Squirt Filtration MethodsCaptive-Maintenance-Advanced-Techniques - reefs As the website states: This eBook describes a natural captive filtration system that was developed by Steve Tyree during the late 1990’s. The system is based on setting up low lighted or non-lighted cryptic areas where low light sponges, sea squirts and bivalves can proliferate. Aquarists can even setup a zero plumbing reef system. The electrical running costs of such a system are very minimal. The eBook details the discovery of the method starting from where it all began in 1996/1997. MORE

Marine Aquarium Terminology: Activated Carbon vs. Carbon Dosing

Activated carbon and carbon dosing – similar sounding, but different techniques for improving water quality. As if our hobby weren’t perplexing enough to the average beginner given all the oddball jargon we toss around, things can get doubly befuddling for novices when they come across two or more similar-sounding terms that actually apply to very different concepts. Such confusion could easily arise, for example, when newcomers are first confronted with the concepts of carbon use for chemical filtration and carbon dosing for nitrate/phosphate reduction. So, to help clarify these sound-alike terms, let’s define what they are and how each is used to maximize water quality in a marine aquarium: MORE

When is a Toadstool Coral not a Toadstool Coral?

"Sarcophyton" ehrenbergi, the False Toadstool Coral. Credit: Dr. Yehuda Benanyahu

“Sarcophyton” ehrenbergi, the False Toadstool Coral. Credit: Dr. Yehuda Benayahu

 Zoological taxonomy is not for the feint of heart. Take, for instance, the humble Toadstool Coral— a stalwart soft coral recommended to every rookie reef aquarist. Despite the ubiquity and importance of these corals in reef ecosystems, our understanding of their evolutionary relationships is in a nascent stage. There are no field guides enabling easy identification, and, in all likelihood, there never will be. Recent molecular study has shown that our current system for classifying the Toadstool Corals and their allies is inherently wrong in many different and important ways. MORE

An efficient reef tank

8cE6xxBXiEfficiency in the marine aquarium isn’t a new idea, but one that evolving in line with the times. It’s always been part of what we do as aquarists, but it’s becoming more important now than ever. We know that it’s possible to have a successful captive coral reef. We also know that it takes a lot of equipment to do so, and all that equipment consumes electrical power. According to my own home energy report from Potomac Edison, my home uses 110% more power than comparable homes in my area. They suggest turning down the temperature of my water heater, unplugging power strips, along with a host of energy savings tips, most things I’ve already done. I know none of those things are the culprit, as that excess power consumption is coming from my downstairs fish room.  MORE

Aquaforest Products Soon Available in the US

aquaforest coral 1 - reefs Deepwater Aquatics distribution is proud to announce an exclusive distribution partnership with the Aquaforest Company. This will be the first time these unique and quality products will be available to retailers in the US. The product line is broken down into Probiotic Method, Salts, Supplements and Coral Food, Microelements for Coral Enhancement, Water Chemistry, Filtration Media and Aquascaping products. MORE is the world's leading destination for sustainable coral reef farming and the aquarium hobby. We offer a free open forum and reef related news and data to better educate aquarists and further our goals of sustainable reef management.