by Jay Hemdal | Mar 27, 2009 | AMAZONAS - Jay Hemdal, Freshwater
One affliction of fish seen mainly in public aquariums (and a few larger home aquariums) is “eye-droop” in the Osteoglossids – the bonytongues (Arowanas and their relatives). Basically, one or both of the eyes of the fish begin to point downwards, as if the fish...
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 | 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 | Oct 24, 2008 | AMAZONAS - James Lawrence, CORAL - Jay Hemdal, Freshwater, Marine
There are four very important resources for aquarists interested in public aquariums. The first is the venerable public aquarium journal, Drum and Croaker. The following is a description of D&C from the web site: Drum and Croaker is a non-peer-reviewed journal...
