Chromis abyssus video shows life in Palua’s mesophotic zone

A video of one of the world’s deepest known species of damselfish has been shared by one of the three people who described it. Chromis abyssus was discovered in 2007 and described in 2008 by ichthyological legends Richard L. Pyle,…

Prognathodes basabei, or orange margin butterfly, now officially described

Although known to exist for over 20 years and even referenced quite a few times here at Reef Builders, a new species of deep-water butterflyfish from the mesophotic reefs of the Papahanaumokuakea Marine National Monument was finally described today by…

Follow along on this incredible expedition of the Northwestern Hawaiian Islands

Research divers get to see amazing sights below the surface, but there is a lot that goes on behind the scenes to make it all possible. Thanks to Richard Pyle, we are able to follow along on an exciting expedition…