Huge spawning fish swarms in Palau really are Unique Dive Expeditions

The internet is full of superlatives related to all kinds of topics but we’re planting a flag in this virtual ground, and stating outright that these videos of mass spawning aggregations from Unique Dive Expeditions are some of the most…

Unusual Izu hogfish could be a hybrid or a regional variant

This is one very attractive and unusual Izu hogfish which has us quite stumped about its origin. The image below is the first look we got of this particular specimen showing a near perfect blend of the color pattern of a…

Kessil A160we LED spotlight review: the best gets even better

When it comes to LED spotlights for our aquariums, there’s basically Kessil, and everybody else. Where nearly all other manufacturers have focused their efforts on building essentially the same tablet-shaped fixture with varying colors and intensities of diodes and a…

Giesemann-UK launches to offer more balanced pricing in UK and Europe

Here in North America we are accustomed to having a competitive environment that provides a wide range of options, which can include direct online retail access, to all aspects of aquarium equipment, but in Europe it is quite different. For…

Multi Light Radion Mounting System (RMS) released by Ecotech Marine

The Multi-Light Radion Mounting System is the first end-to-end light mounting solution the hobby has been clamoring for to affix more than one Radion LED light over our aquariums. The Multi-Light RMS is a three part kit that can be fitted…

Neptune Systems DoS fluid metering system hands-on and teardown

The DoS Fluid Metering System from Neptune Systems was one of the company’s most exciting new product announcements at MACNA last year, and a lucky few early adopters received their new device right at the closing of the year. We…

What’s in a name?

Scientists are often pretty whimsical in their own way when it comes to describing a new species for science. To the undiscerning amateur like us, we may find scientific names cumbersome, made up of an unpronounceable mass of consonants with an unearthly…

Live Rock Hitchhikers: Tunicates (Sea Squirts)

Among the more fascinating creatures that commonly make their way into marine aquariums as stowaways on good-quality live rock are tunicates, or sea squirts. In terms of visual interest, these animals can be quite dazzling, with some exhibiting spectacular coloration…

Ecsenius bicolor: a Beginner-Friendly Blenny with Real Character

Included in the Indo-Pacific genus Ecsenius are several interesting, beginner-friendly, generally aquarium-worthy blennies, among them the popular bicolor blenny (E. bicolor). This species’ modest size and bottom-dwelling habit also make it a great choice for smaller aquarium systems. Physical traits…

About Us
Established in 2004 Reef Builders covers the aquatics industry for keeping saltwater tanks and has been featured by CNN, MSNBC and Wikipedia as a definite source. Ryan Gripp,  Founder Ryan founded Reef Builders in 2004. Jake Adams, Managing Editor Jake…