The Tailless fish of Jave Marine

As we scrolled our social media news feeds this week we couldn’t help but notice the penchant for tailless saltwater fish shown by Indonesian livestock collector CV Java Marine Group. We have documented many tailless fish over the years and…

Adding a New Fish to A Boisterous Saltwater Aquarium Display

We never thought we’d see that day that our YouTube channel would feature a how-to about adding a gold crown butterflyfish to a display tank that is already home to a large mature adult Tinker’s butterflyfish but here we are.…

The ‘Cleanest’ Flavocoronatus Butterflyfish Appears at SDC-ERI

The gold crown butterflyfish, Chaetodon flavocoronatus, is one of the rarest species of butterflyfish that we’ve been writing about since 2009, but had never seen for ourselves until last week. Closely related to the tinker’s butterflyfish from Hawaii, the declivis butterflyfish…

New deepwater butterflyfish extends its range to North East Taiwan

A recently described butterflyfish has been reported for the first time from northeast Taiwan. Roa haraguchiae was described in 2020, but the only member of its genus represented in Taiwan until now has been Roa modesta. Most of the eight…

Tinker’s/Burgess butterflyfish hybrid is a perfect cross between the two 

A Chaetodon burgessi/tinkeri hybrid butterflyfish has been imported into the UK. It’s been ten whole years since we started to see these pop up in the trade but in that time very few if any have made it to England.…

Rare Prognathodes geminus Photographed in Stunning Detail

It’s been less than two years since Prognathodes geminus was minted a distinct species from the other barred deepwater butterflyfish and today we have some of the first live images of this species in an aquarium setting. Collected by Cairns Marine…

Copperband Butterflyfish Successfully Captive Bred by Rising Tide

The Copperband butterflfyfish, Chelmon rostratus, can be an invaluable tool in keeping a reef tank free from pest Aiptasia anemones. This species is imported into the aquarium trade in vast numbers but being a small mouthed and somewhat picky eater, they can…

10 Rare Hawaiian Aquarium Fish

Hawaii is well known as a hot spot of endemism both above and below the water and this is a fact which aquarium fish fanciers are very well acquainted with. Many common shallow water species that have been enjoyed by…

Auriga Butterflyfish Successfully Cultured by Frank Baensch

The threadfin butterflyfish might be plain among the Chaetodon and not frequently celebrated by saltwater fish keepers, but it’s still an iconic species on tropical coral reefs. Also known as the Auriga butterflyfish, Chaetodon auriga is incredibly hardy, adapts very well…

Roa haraguchiae, an Exciting New Species of Butterflyfish

Roa haraguchiae is the newest species of Chaetodontidae and adds a sixth member to the deepwater Roa genus of butterflyfish. The description of an official new species is usually very exciting but it’s an even more special occasion when it’s a butterflyfish. …