Joe Rowlett
  • Joe is classically trained in the zoological arts and sciences, with a particular focus on the esoterica of invertebrate taxonomy and evolution. He’s written for several aquarium publications and for many years lorded over the marinelife at Chicago’s venerable Old Town Aquarium. He currently studies prairie insect ecology at the Field Museum of Natural History and fish phylogenetics at the University of Chicago.

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Recent Content

Meet the World’s Largest Zoa (It’s HUGE!!!)

Meet the World’s Largest Zoa (It’s HUGE!!!)

The Churaumi Aquarium in Okinawa, Japan recently scored big with one of the most rarely seen and remarkable corals around. This giant polyp had until now never before been found in Japanese waters, and it has also probably never been put on public display until now....

An Unusual New Species of Solitary, Sand-dwelling Zoa

An Unusual New Species of Solitary, Sand-dwelling Zoa

If you’ve ever kept a reef aquarium, then you’re probably already familiar with the soft corals that are classified within the Order Zoantharia. Included here are the ubiquitous “Zoas” and “Palys” that fill many an aquarium, as well as the equally common “Yellow...

Is This Weird Specimen A “Griffisflake” Hybrid Angelfish?

Is This Weird Specimen A “Griffisflake” Hybrid Angelfish?

The above fish was collected at around 120 feet in Kiritimati (AKA Christmas Island) on the eastern edge of Polynesia and was suggested to be a hybrid of the only two species of Apolemichthys present in this region: the Goldflake Angelfish (A. xanthopunctatus) and...

Eliminating Saltwater Aquarium Skin Flukes – Part 2

Eliminating Saltwater Aquarium Skin Flukes – Part 2

Biological Controls Multiple species of Elacatinus Cleaner Gobies have been shown to severely reduce the presence of skin flukes in captivity, though their success rate appears somewhat variable (~50-99%) and may relate to maintaining the right ratio of cleaners to...

Eliminating Saltwater Aquarium Skin Flukes – Part 1

Eliminating Saltwater Aquarium Skin Flukes – Part 1

One of the most frequently encountered parasites of marine aquarium fishes is a mean-spirited flatworm known as the skin fluke. You can find this insidious invertebrate dining upon the skin and mucous of wrasses, angelfishes, butterflyfishes, rabbitfishes, triggerfishes and many other groups—as a rule of thumb, the more money you spend on an aquarium fish, the more likely it is to have skin flukes.

New Deepwater Species Of Rainbow Wrasse Collected In Japan

New Deepwater Species Of Rainbow Wrasse Collected In Japan

https://youtu.be/YXnD0Ga4vms It’s been a busy summer for wrasse fans. First came the discovery of a new pencil wrasse, and it was just last week that we were introduced to a new Halichoeres from Mauritius. Now, we are treated to what is likely to be an undescribed...