CORAL - Jay Hemdal

Building a Home Aquarium Reference Library

There are times when I think that the ideal library is composed solely of reference books. They are like understanding friends – always ready to change the subject when you have had enough of this or that.

01 May 4:42 PM 1 Read More...

Bonnethead Shark Pups Born at Toledo Zoo & Aquarium

Jay Hemdal provides a candid look at the Toledo Zoo & Aquarium’s baby Bonnethead Sharks and discusses their captive husbandry and breeding.

30 Nov 12:01 AM 2 Read More...

Captive-Bred Yellow Tangs - showing HLLE?

I’ve seen photographs of wild Black Tangs, taken with flash photography, where they show what looks like classic HLLE lesions, but which is simply due to the camera flash.

12 Mar 2:14 PM 0 Read More...

What’s in a Name?

It doesn’t really matter that you can spell Phractocephalus hemioliopterus, or that Entacmaea rolls smoothly off your tongue – if you can’t keep them alive in your aquariums.

11 Mar 11:16 AM 0 Read More...

The Essential Aquarium, aka #HemdalTip

It can often take thousands of words to express a single technical idea. This presents aquarium ideas in less than 140 characters, avoiding “txtspk”.

24 Dec 11:31 AM 0 Read More...