Meet the real sailfin jawfish, Opistognathus fenmutis

Remember those awesome Sailfin Jawfishes that we posted not too long ago? Apparently, the original identification of O. lonchurus given was rather dubious and incorrect. These fishes are rarely seen in the wild and supplied to the trade, with very…

Opistognathus hopkinsi: first pictures of a live one from Japan

Opistognathus hopkinsi is a beautiful, coldwater jawfish which has never before been photographed alive. If you thought that the blue spot jawfish, Opistognathus rosenblatti, was the bee’s knees of burrowing, mouthy fish then you haven’t been introduced to Hopkin’s jawfish.…

Blue Harbor Flexes Rare Pair of Hopkin’s Jawfish

It was just over ten years ago that Hopkin’s Jawfish first hit our rare fish radar with its unique blend of blue and gold colors. Opistognathus hopkinsi comes from deep waters of the northwest Pacific Ocean so very little is…

Tantalizing New Video of Hopkin’s Jawfish

Hopkin’s Jawfish is a very rarely seen cold waters species hailing from the deeper waters of the Northwest Pacific Ocean. This basically means that you won’t see this fish outside of Japan, and today we feature a specimen on display…

Awesome Fish Spotlight: the Blue Spot Jawfish

The blue spot jawfish, Opistognathus rosenblatti, is a colorful, quirky, and most beautiful members of the jawfish family. They are a popular fish that can be found in almost any local fish store, but that wasn’t always the case.  Although they…

Facing a Saltwater System Downsize? Try One of These 5 Setups

Next year, our daughter will be heading off to college and our son will already be well on the way through his senior year at OSU. With two kids almost down and none to go, my wife, Melissa, and I…

Fishes: Greater Caribbean v2.0 App adds 100 species and nearly 3,000 pictures

Having a reef aquarium is one of the most expensive hobbies in the world and it seems like every product carries a reef tank tax. Thankfully, in the wide world of smartphone applications you can quickly download great resources, and…

Glowing Orange Suezichthys Wrasse collected in deep waters of Japan

Suezitchthys is a genus of slender wrasses which is hardly known in home aquariums, but we’ve got details about a second possible new species discovered in under a month. A few weeks ago we told you about the colorfully adorned new species of…

Fluorescent Friday – Reef fish edition

Coral reefs are one of the most richly fluorescent ecosystems on the planet. When it comes to fluorescence, most of us reef aquarists tend to think of corals first, but many of the tropical reef fish in your tanks right…

When Piscine Personalities Collide: Incompatible Energy

When trying to determine whether different species of marine fish will cohabit peacefully in the same aquarium, we usually ask ourselves whether the combination will result in one fish eating another or whether interspecific squabbling is likely to be an…