How much do we really know about corals? The answer is: Not so much, actually. While the general rule for coral spawning is a few days after the full moon, 2 hours after sunset, just before the water temperature high…
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…
