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More Non-Native Corals found off Hawaiian Island

Several non-native aquarium coral species have been found repeatedly on one Hawaiian island. The corals were first found off Anini Beach on the north shore of Kauai Island by Reef Guardians Robin Mazor and Tom Woods in 2021, but they’ve…

Understanding Difficult Fish: Why Expert Only Isn’t a Simple Term

When I was a brand new hobbyist, one of the facets of keeping fish I enjoyed most was research. Like most scientifically inclined people, learning about livestock was (and is) something I spent immense amounts of my free time doing.…

$20,000 Rare Fish, Probiotic Concoction and Zoa Brackets continue! 

It’s been another eventful week! Salem stayed at the house for a long weekend and we toured some home aquariums and several local fish stores. Needless to say, we’ve got some new content to explore. I’m most excited about all the…

$20,000 Odontanthias rhodopeplus is a Super-Rare Treat from the Twilight Zone

Rare and Deepwater fish vendor Unique Fins is holding a single specimen of the Anthiadinae species Odontanthias rhodopeplus, that it claims is probably the rarest fish to be imported in the 2020s so far. With no english common names, Boro-sakuradai,…

Reef Builders Presents: Reef Royale Bracket Challenge! 

UPDATED 4/7/24 – The Final Four games are complete! Grand Master Krakatoa’s (61%) took the win over Utter Chaos (39%) and Stratosphere’s (67%) beat out Mary Jane’s (33%). The final match will take place April 8th. We will also select…

Double-headed Master Scoly is Twice The Delight

We have been lucky to have experienced wild twin Scolys in our wholesale days and read with interest when Ultra Coral Australia released information back in 2022 on how they propagated them by cutting the base off. Well, it turns…

Video: Is the New Probiotic Concoction Coral Food Safe to Use?

In the latest episode of the Reef Builders Reef Therapy Podcast, Remy and Salem speak with Allan Vo of Critical Reef Theory about his “concoction” – a bacterial polyculture utilized as a coral food constructed from common dry goods in…

How to Quarantine Copperbands and Get Them Feeding

One of the most stunning marvels of the reef, the Copperband Butterflyfish, Chelmon rostratus, is something of an idol within the reef-keeping industry. Gold and pearly white, these delicate fish flit around tanks with such poise, capturing the eye of…

Cade’s Reef X offers a Bolt-On extra tank solution for existing Reef Systems

Cade aquariums have teased us with an interesting new aquarium model they are soon to release called Reef X. In essence, it is an extra tank that can be plumbed into an existing sump-based reef tank, sharing its water, yet…

Another Cycloceris Takes the Top Spot at Reefstock Denver 2024

One of the best things about a frag swap is seeing corals you don’t typically see. It always feels good when you find that diamond in the rough. This is exactly the objective we set out to accomplish with The…