by Jay Hemdal | Dec 15, 2014 | CORAL - Jay Hemdal, Marine
It has been known for many years that larval tropical fish are transported northward along the Atlantic coast of North America by the Gulf Stream current. Towards the end of the summer, some of these larvae have settled out in the shallows around Long Island. Species...
by Jay Hemdal | Jun 17, 2014 | AMAZONAS - Jay Hemdal, CORAL - Jay Hemdal, Freshwater, Marine
There is no hard and fast rule regarding the space needs for fish in captivity, indeed this value varies greatly between species. However, if the only available method at your disposal is to just guess, the following method will more accurately assess the space needs...
by Jay Hemdal | Apr 27, 2014 | CORAL - Jay Hemdal, Marine
A Marine Fish Propagation System at the Toledo Zoo by Laurie Dixon, Toledo Zoo Aquarium lead keeper You’ve heard the saying, “It takes a village to raise a child.” Well, it can take thousands of copepods to raise one larval fish. Our curator of fishes, Jay Hemdal, and...
by Jay Hemdal | Sep 21, 2012 | AMAZONAS - Jay Hemdal, CORAL - Jay Hemdal, Freshwater, Marine, New Products
In designing the renovation of the aquarium where I’m curator, we’ve had a couple of years to perform various “bench testing” of lights, filters and other equipment to better assess their application for use in the new facility. Since these tests were performed...
by Jay Hemdal | Nov 11, 2011 | AMAZONAS - Jay Hemdal, CORAL - Jay Hemdal, Freshwater, Marine, New Products
In my constant attempt to produce better images through technology, (rather than trying to improve any talent I might have!) I purchased a Nikon AW100 Coolpix camera. This replaces my Pentax Optio that I wrote about a few years ago. The Nikon is waterproof to 10...
by Jay Hemdal | Apr 3, 2011 | AMAZONAS - Jay Hemdal, CORAL - Jay Hemdal, Freshwater, Marine, News & Notes
I recently re-visited the Shedd Aquarium in Chicago while in town for a meeting. Our group was given a VIP tour of the facility by their staff. It was very interesting for me to return, as I worked at the Shedd from 1985 until 1989. Although I’ve been back...
