Following up on the story we posted several days ago regarding the gold crown butterflyfish, Chaetodon (Roaps) flavocoronatus, as we expected at least one of these specimens has shown up for sale in Japan. However, in contrast to the nearly…
Search Results For: gold crown
The Golden Hamlet is one of the crown jewels of Caribbean reef fish
As close as we Americans live to the Caribbean Sea, we are woefully under-informed as to the wealth of beautiful corals and reef fish that live there. Case in point is the jaw-dropping gorgeous golden hamlet, Hypoplectrus gumigutta which Japanese and…
Golden Nebula Angelfish is a Griffis x GoldFlake Backcross Hybrid
Singapore fish store Iwarna Aquafarm is showing off a stunning hybrid angelfish that we believe to be a cross between the Griffis Angelfish, Apolemichthys griffisi, and a Goldflake/Griffis hybrid (A.xanthopunctatus x A.griffisi). The Apolemichthys genus includes many beautiful and highly…
Rare Golden Hamlet makes its Way to the Reef Builders Studio
The Golden Hamlet, Hypoplectrus gummigutta, is one of the most striking small fish of the Caribbean, and it also happens to be one of the most elusive. We have revered this fish for over twenty years and during that time…
Flashback Friday – Jake’s love for Butterflyfish
Working on Reef Builders we think about Jake Adams every day, and miss the conversations we used to have with him about all things reefing. Something we spoke about a lot was Jake’s own fish collection, and he would test…
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…
Rare Butterflyfish Parade: Roa excelsa, Roaps flavocoronatus and a new Roaps tinkeri hybrid
Not sure what is in the air lately but have we got the goods on a nice handful of uber rare butterflyfish fish for you. Hot on the heels of the orange margin butterflyfish, Prognathodes basabei, we have an odd-phase…
Your Favia’s Not a Favia – A Cursory Guide to Ex-Favia Merulinid Corals
A quick internet search for “Favia for sale” will return a collection of encrusting large-polyp stony corals collectively grouped as such. However, if one were to take a closer look, they would notice that many of these “Favia” are nothing…
Galaxea Can Grow as big as Houses!
Large hard coral colonies are not only a very good sign of proper reef health, they are also a mesmerizing sight when they allowed to grow to full size. These majestic coral colonies are getting hard to find so we’re…
