by Jay Hemdal | Feb 22, 2009 | AMAZONAS - Jay Hemdal, CORAL - Jay Hemdal, Freshwater, Marine
As a side project to one that I’m working on to quantify swimming room required by fishes, I looked into the predicted maximum size to which fish will grow in captivity. Many of us use FishBase for their maximum size records, and extrapolate captive size...
by Jay Hemdal | Feb 14, 2009 | CORAL - Jay Hemdal, Marine
In preparation for a research project on Head and Lateral Line Erosion (HLLE) in fishes, I undertook a quick survey of 100 intermediate to advanced aquarists regarding their opinions about this syndrome. Here is the raw data:1) What do you think are the...
by Jay Hemdal | Jan 7, 2009 | CORAL - Jay Hemdal, Marine
For many years, a loose affiliation of aquarists have been active on a particular Internet message board advocating for larger aquariums for surgeonfish. Dubbed the “Tang Police” due to their strong arm tactics, they gang up on the uninitiated and anyone...
by Jay Hemdal | Dec 28, 2008 | CORAL - Jay Hemdal, Marine
I’m frequently asked by visitors what my favorite fish is. The quick answer is whatever new species I happen to be working with at the moment. Currently, that would be a group of tropical fish from West Africa, including a Holacanthus africanus angelfish. Ultimately,...
by Jay Hemdal | Dec 6, 2008 | AMAZONAS - Jay Hemdal, CORAL - Jay Hemdal, Freshwater, Marine
Originally published December 8th, 2008. I just returned from a two day conference with the topic of Aquatic Invasive Species (AIS), more specifically, those that are Organisms In Trade (OIT). The region involved was the Great Lakes basin, but much of the information...
by Jay Hemdal | Nov 15, 2008 | CORAL - Jay Hemdal, Marine
This is a valid, pertinent question, and one that actually has been around for many years, but isn’t always confined to reef aquariums. The answer is usually not what the questioner might think. Questions of this type always comes from intermediate to advanced...
