New Damselfish Species Cares For Offspring Like A Cichlid!

Altrichthys alelia is a newly described species of damselfish from the Philippines with a curious behavior that is more like freshwater fish than one living on a reef. You could be forgiven for mistaking Alelia’s damselfish for a weird-shaped green…

Awesome Fish Spotlight: Chromis atripectoralis

The Black Axil Chromis At first glance, these diamond blue fish could easily be mistaken for the Blue-green Chromis (Chromis viridis) that we often see widely represented in our hobby, until you look just a little closer. The Black Axil…

Some Gorgeous New Reef Species Discovered In Easter Island

Every year there’s a great number of reef fish described but many of the coolest fish, as far as aquarists are concerned, are discovered by a small band of usual suspects. Therefore it comes as no surprise that the California…

When ocean temperatures start to rise, fish hightail it to cooler water

Scientists have new evidence that as ocean temperatures continue to rise, coral-reef fish will probably opt instead to relocate to cooler water. In a study using a fish found in coral reefs around the world, the blue-green damselfish, Chromis viridis,…

New Chromis species sighted in Principe, East Atlantic Ocean

Sao Tome and Principe are a pair of island groups in the Gulf of Guinea, right off the West Coast of the African continent.  Sao Tome and Principe are in tropical waters of the East Atlantic Ocean and so far from…

The wild color change of spawning green chromis

The green Chromis, C. viridis, is such a staple and common aquarium fish, we hardly give a thought to how uniform this species is in the home aquarium, and in the wild. Sure you occasionally get a Chromis atripectoralis mixed…

The ABCs of deepwater Chromis

The pan-oceanic genus Chromis is a ubiquitous component of any coral reef, and can be found anywhere from sun speckled coral gardens to lung compressing depths in the mesophotic twilight zone. Despite their near abrasive presence both in the field and in…

Opinion: I love Chromis leucura

I like damselfish. I like Chromis even more. But if there’s one Chromis that I love, it’s Chromis leucura. Chromis leucura is a diminutive species that is often found in small groups along deep reef walls and ledges ranging from…

Do you even Chromis viridis? How well do you know your damsels?

Chromis viridis is an evergreen staple of the reef aquarium paradigm. Its ubiquity in the field is reflected almost equally in the trade, and the species plays host to a veritable plethora of hobbyists both novice and pro. The specific…

Reef Nuggets 1: Damsels in disguise

Here at ReefBuilders, we keep our readers on their fins as we strive to deliver the latest aquarium happenings around the world. At the same time, we also try to pepper our blogroll with informative posts so as to keep that…