How Mouthbrooding Fish Evolved Multiple Times

Breeding aquarium fish can be one of the pinnacles of aquarium success but several groups of fish including jawfish and cardinalfish make it much easier due to one quirk of their parental care, mouthbrooding. Any one who’s kept african cichlids…

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…

Opistognathus ensiferus, A New Species Of Jawfish From India

Opistognathus ensiferus is the newest species of jawfish to be described. This lovely small jawfish was discovered in India and sadly, it is illustrated with a very lovely drawing of this fish.  Surprisingly, the newly minted Opistognahtus ensiferus was described based on just…

New jawfish species from Japan, Opistognathus trimaculatus

Opistognathus trimaculatus is a new species of jawfish from Japan that was discovered in the famous Tosa Bay. This bay in the Kochi Prefecture of southern Japan is also the namesake of the incredible Tosanoides anthias which are highly sought after,…

Unknown baby Opistognathus is a diminutive darling packed with colour and character

Jawfish are a real whimsical group of animals that add a truly unique dimension to any reef tank. The family is largely represented by species in the genus Opistognathus, though other more obscure and less populous genera like Lonchopisthus and Stalix…

We can never get enough of the Tattoo Jawfish

If there’s a shortlist of marine reef fish that always capture our attention when any news or media surfaces of them, the Tattoo Jawfish is definitely on it. Only known from deep habitats of the Northwest Pacific, the Tattoo Jawfish, Opistognathus…

A new specimen of the incredible Tattooed Jawfish up for bidding in Japan

It looks like 2014 is all set on totally destroying the previous year’s record for incredible rare fish stories. As you are reading this and carrying on with your daily routine, Japanese reefers are furiously engaging in a bidding war…

Opistognathus sp. 6, the Chinstrap Jawfish is an amusing fish to keep

If you love Opistognathus (jawfishes) but are jaded with the regular fare of O. aurifrons and O. rosenblatti, why not give the Chinstrap jawfish a try. It’s not a newcomer to the aquarium trade, but it is a species that has…