Plectranthias sagamiensis comes to the US for the First Time

The Threadtail Perchlet, Plectranthias sagamiensis, has been sold in the US for the first time by rare fish importer Unique Fins. Hailing from the deep waters of Japan and Indonesia, P.sagamiensis can be found at depths of over 100 meters,…

Coral biodiversity measured by eDNA seawater samples

Researchers from the Okinawa Institute of Science and Technology (OIST) have developed a method to measure coral biodiversity by collecting seawater above a reef. The method involves extracting the environmental DNA (or eDNA) from a liter of surface water and…

Hermit Crab Anemone Named Remarkable New Marine Species by WoRMS

A new species of symbiotic sea anemone has been selected as one of the ten remarkable new marine species described in 2022 by the World Register of Marine Species. Named Stylobates calcifer, the deep sea anemone attaches to the shells…

Snailfish found at deepest ever depth

Scientists have filmed fish swimming at a new record depth in the very deep ocean off Japan. The Snailfish, Pseudoliparius spp. were filmed at 8336m (27,349’) deep in the Izu-Ogasawara Trench, South of Japan, by an autonomous lander. That beats the…

Atblue’s Arrowhead Soapfish is the cousin of Dr. Seuss

The Belonoperca genus of Soapfishes is most famously represented by Belonoperca pylei, the highly sought-after Dr.Seuss, but let us introduce you to its only other congener, the enigmatic Belonoperca chabanaudi, the Arrowhead Soapfish.  As its outline suggests, the Arrowhead is…

Instagram’s Ancolie Coral is our favorite #reefbuilders tank right now

Every day we scroll through some of the 300,000 reef-related posts and videos carrying our hashtag on Instagram, but this Japanese aquarium by @ancoliecoral caught our attention for all the right reasons. At 160x160x70cm/63”x63”x28” and holding 1792 liters/473 gallons this…

Aqua Gift’s Yellow Chaetodon burgessi may have hybrid DNA

Japanese aquatic store Aqua Gift has received another yellow Burgess’ Butterflyfish, Chaetodon burgessi. Hailing from the subgenus Roaops, burgessi and its five closely related congeners inhabit deep drop-offs in the Indo-Pacific, are highly sought-after aquarium fish, and this particular yellow…

PRS CO2 CUT removes carbon dioxide better by controlling humidity

CO2 CUT is a CO2 scrubber by Perfect Reef Systems, Japan. Like other scrubbers, it uses CO2 absorbing media inside a reactor to prefilter atmospheric air and decrease its CO2 content before being sucked in by the protein skimmer. Unlike…

Plectranthias kojiorum, an Attractive New Species of Marbled Perchlet

Plectranthias kojiorum is the newest species of perchlet from the cradle of biodiversity for this genus which appears to be the northwest Pacific Ocean. This Japanese perchlet was first recognized as being something new and different by the staff at the…

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…