Video update on the tiny personatus angelfish

Late last summer a tiny masked angelfish, Genicanthus personatus, was captured in Hawaii by Rufus Kimura. We heavily covered this tiny specimen of the demi-god masked angelfish, first with an on-site video of the tiny masked angelfish, and later on…

Three Super Rare Saltwater Fish Available Right Now

Over the years many of us have fawned over the amazing Twilight Zone fishes shared on Reef Builders, but few of us have seen most of these in person, let alone had the opportunity to purchase them. These animals are…

FAQs on Dwarf Angelfish

Dwarf angels are some of the most sought-after saltwater fish for reef aquariums, but are they reef-safe, can you mix them, and what size tank do they need? Here we answer all your most frequently asked questions via our email.…

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…

This Hawaii Biotope Aquarium is the Best FOWLR Ever!

Reef tanks have all but taken over the saltwater side of the aquarium hobby but we’ve still got a special place reserved in our hearts for tanks dedicated to showcasing nice marine fish. Today’s feature is quite possibly one of…

Ghost Bandit Angelfish is a Captive Bred Miracle

The Ghost Bandit angelfish is a spectacular new variant of Apolemichthys arcuatus that was recently captive bred by Karen Brittain. These striking new fish are part of a recent clutch of the glorious bandit angelfish which, for reasons that have yet to…

The Coolest Hawaiian reef fish get visually checklisted in this Kure dive video

Hawaii is renowned for its endemism which extends from the land down to the deep reefs. It’s been a while since we’ve posted a really good dive video featuring some rare fish so you can be certain that this one…

Prognathodes “basabei” in serene Kyoto

Once regarded as the former capital of Japan, Kyoto relinquished its title to the anagrammatic Tokyo in 1868. Today, Kyoto is known for its serene and tranquil landscapes peppered extensively with shinto shrines, temples and historical culture. This geographical icon of…

1.3 Fairy Wrasses: The lanceolatus group

The members of the lanceolatus group are some of the largest and showiest fairy wrasses, collectively celebrated for their grandiose caudal fin and chromatic brilliance. The group spans most of the Indo-Pacific, with its various species occupying a series of…

Centropyge abei and Chaetodon smithi: Black and yellow superstars of Waikiki

If you ever visit Hawaii and don’t stop by the Waikiki aquarium, consider yourself a felon and a convicted criminal for breaking the fish geek code. In a small public aquarium within the Waikiki neighbourhood of Honolulu lives two mega superstars of…