A team of international scientists has discovered a new deep-sea octopus nursery at a low-temperature hydrothermal vent off Costa Rica. The discovery of the brooding site brings the number of the world’s only known octopus nurseries to three. The octopus…
31 New Records of Reef Fish Found in Hong Kong
Underwater visual surveys conducted across 55 dive sites in Hong Kong have revealed another 31 reef fish species from 14 families living there. The species include members from Acanthuridae, Chaetodontidae, Diodontidae, Gobiidae, Labridae, Mullidae, Nemipteridae, Pinguipedidae, Pomacanthidae, Pomacentridae, Ptereleotridae, Solenostomidae,…
Watch Than Thein’s ReefStock Presentation
When Than Thein from Tidal Gardens and Jake Adams met at the Reef Builders Studio, it was one of our most-watched videos, so it goes without saying that we just had to have him speak at ReefStock Denver back in…
Israel Working on Coral-Nourishing Sunscreen
The adverse effects that some sunscreens and tanning oils have on coral reefs are well documented. But now, researchers in Israel are working on a sunscreen formulation that not only doesn’t harm corals, but they also want it to actually…
Watch Reef Therapy Session #71 with Sara from The Butterfly Pavilion
Mark van der Wal is a busy guy, and this week he’s away doing his day job – I.T – but fear not, as Raj and Remy have been joined by Sara Stevens from The Butterfly Pavilion, and when she’s…
$30,000 Koi Tangs hit all-time Price High
Koi tangs are some of the most coveted fish available in the reefing hobby right now, with suggested pricing at an all-time high. We’ve seen a nearly all-white Zebrasoma scopas advertised for $32,999.99, followed by another at $29,999.99. A white,…
Jeff Senske uses Freshwater Design Principles to Aquascape a Reef Tank
In the Aquascaping World, Jeff Senske and his brother Mike need no introduction. They head up Aquarium Design Group in Houston, Texas, and their tank designs have been featured on the covers of books and magazines, on social media, and…
Goniopora-eating nudibranchs: A Goni Gardener’s Worst Nightmare!
As if reefkeeping wasn’t hard enough at times, and keeping Goniopora spp. Flowerpot corals in particular, we must now treat Gonis like we would treat Zoanthus or Montipora, and treat, and inspect them for predatory nudibranchs. Goniopora naturally inhabits turbid,…
Panda Angelfish will have you Playing the Species Guessing Game
We love to play the fish ID game at Reef Builders, and this week we got to play it with the dwarf angelfish from the genus Centropyge pictured here. Our first guess was that it is a hybrid, as there…
Positive Pet List Would Violate International Law, says German Pet Trade Association
The German Pet Trade & Industry Association, ZZF, has voiced strong opposition to the introduction of a Positive Pet List in Germany, saying that at the first step of such a list, all pets would be banned, followed by a…