Aquariums are Saving the Last Florida Pillar Corals

A team of Scientist and Aquarist from the Florida Aquarium, last month broke the news for spawning in captivity for the first time, the last remaining live colonies of Pillar coral (Dendrogyra cylindrus) known from Florida state waters.  Aquarium Industry…

Gramma brasiliensis Builds Nests Like a Bird

The royal gramma is one of our all-time favorite reef fish and it is one of the most common reef fish in the saltwater aquarium hobby. The royal gramma is found throughout the greater Caribbean but to the south lives…

Monsoon Aquatics, spawning Euphyllia paraancora VIDEO

Monsoon Aquatics from Darwin Australia posted these amazing videos to their Facebook Page of spawning Euphyllia paraancora. The videos clearly show egg bundles accumulating in the hammer shaped tentacles before being released through the polyps central mouth. At least 30…

The wild color change of spawning green chromis

The green Chromis, C. viridis, is such a staple and common aquarium fish, we hardly give a thought to how uniform this species is in the home aquarium, and in the wild. Sure you occasionally get a Chromis atripectoralis mixed…

Shed Some Varied Light on Your Reef

The other night, as I was watching the debate on TV, I noticed that my reef tank got darker. Just a little, but it was darker and yellower. I opened the front (it is in a wall) and noticed that…

Hybrid spawning of Rhinopias captured on video

Most of the time that we report on hybrid marine and reef fish, it is usually about a particular specimen which shows the traits of both parents, as a result of a crossbreeding. In this case we have a splendid…

Want Healthy, Spawning Fish? Feed Them Properly!

Feed your fish. They are hungry. That may sound obvious, but most fish in captivity are starving to death because we are so fixated on water parameters. It’s fine to worry about water parameters, but you still need to feed…

Swirling gyre of juvenile Acanthochromis polyacanthus videoed at an opportune moment

While admiring the aquarium at Omaha’s Henry Doorly Zoo recently, we chanced upon a rather special moment in one of their reef set ups. It came as an opportune moment just as we were about to leave, when the eggs…

Fish Health Through Slime

Fish diseases—they are the meat of fish forums and the subject that takes up the most ink (or whatever causes words to form on a computer screen), so for today’s post, I am going to discuss fish immunity in relation…

Mini Maxi Spawning at Tidal Gardens

For years now, we have been propagating mini maxi anemones. They are easy to propagate by cutting them in half and letting them heal for a month or two. Most aquacultured corals are asexually produced either by allowing them to…