While the exhibitors were busy setting up at this year’s Fragstock at the Downtown Aquarium in Denver CO, we took a brief stroll through the exhibits to sneak a peek at the reef and fish tanks before being kicked out for closing time. Even with a big coral trim the 5000 gallon reef is still slammin, the Falcifer butterflyfish are as exquisite as ever and while casually glancing at the Large Sea Exhibit we noticed that all three species of unicorn surgeonfish from the genus Naso appeared to be exhibiting courtship display. With the video camera in hand, the lens was trained on the particularly active duo of Naso brevicornis which had paired off and were circling ever higher to the surface of this 100,000 gallon size aquarium. One thing led to another and badda bing, badda boom, here’s the world’s first video of two shorthorn unicorn surgeonfish getting it on.
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