About Jay Hemdal

Jay Hemdal is the Curator of Fishes and Invertebrates for the Toledo Zoo. He has written over 150 articles and six books on aquariums since 1981.

A Recap of the MBI Workshop 2014

Hosted by the Marinelife Aquarium Society of Michigan (MASM) and the Marine Breeding Initiative (MBI), and held July 19, 2014 at Cranbrook Institute of Science in Bloomfield Hills, Michigan, this was the fifth workshop they have offered dealing solely with the captive breeding of marine species. This approach supports the sustainability of the aquarium hobby … [Read More]

Marine Fish Propagation System at the Toledo Zoo

Guest post 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 I recently went to a grant-funded workshop in Bristol, Rhode Island, to learn how … [Read More]

How to Estimate the Right Aquarium Size for Any Given Fish Species

There is no hard-and-fast rule regarding the space requirements for fish in captivity. Indeed, this value varies greatly from one species to the next. However, instead of relying on guesswork, try the following method to accurately assess the space needs of your fish as they grow: 1) Determine the maximum adult size of the fish … [Read More]

Toledo Zoo Aquarium Renovation – Update 11: Interactive Touchpools

With the Toledo Zoo’s Aquarium currently undergoing a $25.5 million renovation and the new Aquarium slated to open in 2015, curious Zoo visitors frequently ask what exhibits the new Aquarium will feature. In this installment, let’s continue our exploration of these new displays with a look at some of the special marine exhibits that will … [Read More]

Toledo Zoo Aquarium Renovation – Update 10: Cold Water Marine Exhibits

With the Toledo Zoo’s Aquarium currently undergoing a $25.5 million renovation and the new Aquarium slated to open in 2015, curious Zoo visitors frequently ask what exhibits the new Aquarium will feature. In this installment, let’s continue our exploration of these new exhibits with a look at some of the special marine exhibits that will … [Read More]

Toledo Zoo Aquarium Renovation – Update 9: Jewels of the Sea

With the Toledo Zoo’s Aquarium currently undergoing a $25.5 million renovation and the new Aquarium slated to open in 2015, curious Zoo visitors frequently ask what exhibits the new Aquarium will feature. In this installment, let’s continue our exploration of these new exhibits with a look at some of the smaller planned exhibits that will … [Read More]

Toledo Zoo Aquarium Renovation – Update 8: A Different View

With the Toledo Zoo’s Aquarium currently undergoing a $25.5 million renovation and the new Aquarium slated to open in 2015, curious Zoo visitors frequently ask what exhibits the new Aquarium will feature. In this installment, let’s continue our exploration of these new exhibits with a look at the different ways some of the exhibits will … [Read More]

Toledo Zoo Aquarium Renovation – Update 7: Temperate marine exhibits

With the Toledo Zoo’s Aquarium currently undergoing a $25.5 million renovation and the new Aquarium slated to open in 2015, curious Zoo visitors frequently ask what exhibits the new Aquarium will feature. In this installment, let’s continue our exploration of these new exhibits with a look at the temperate marine systems we have in the … [Read More]

Toledo Zoo Aquarium Renovation – Update 6: Pacific Reef Crest and Lagoon

As regular Saltwater Smarts visitors are aware, The Toledo Zoo’s Aquarium closed October 1, 2012 for a $25.5 million renovation and the new Aquarium is scheduled to open in 2015. Since the renovation began, one of the common questions visitors ask is, “What exhibits and animals will the new Aquarium have?” To help answer that … [Read More]

Toledo Zoo Aquarium Renovation – Update 5: Pacific Rainbow Reef

With the Toledo Zoo’s Aquarium currently closed for a $25.5 million renovation (slated for completion in 2015), one common question curious visitors ask is, “What exhibits and animals will the new Aquarium have?” To help answer this question, the next few installments of this series will examine these new exhibits. Please bear in mind that … [Read More]