The Reef Aquarium After Hours: Four Reasons to Keep That Flashlight Handy

Anyone who has done any night diving knows that nighttime activity on coral reefs is very, very different from what goes on there during the day. A dramatic “changing of the guard” occurs, with diurnal fish seeking refuge in the reef and nocturnal predators and planktivores taking dominion. Parrotfishes, wedged in caves or crevices, cloak … [Read More]

Live Rock Hitchhikers: Tunicates (Sea Squirts)

Among the more fascinating creatures that commonly make their way into marine aquariums as stowaways on good-quality live rock are tunicates, or sea squirts. In terms of visual interest, these animals can be quite dazzling, with some exhibiting spectacular coloration or resembling small, delicate, translucent pitchers or urns. What are they? Tunicates are filter-feeding marine … [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]