Featured Events

Captain's (B)log
September 5, 2025 / Education
Back-to-Schooling September: 7 Common Student Questions
At Greater Cleveland Aquarium, we believe that nature is a curious thing. Students who take part in our education... Read More
September 18, 2025 / Education,Species Highlights
Back-to-Schooling September: Questions from Guests!
Thank you for submitting your curiosity questions during Back-to-Schooling September. Here are answers to some of the... Read More
September 24, 2025 / Education
Educational Opportunities at Greater Cleveland Aquarium
At Greater Cleveland Aquarium, we offer a variety of educational opportunities that provide inquiry-based, hands-on... Read More
Follow us out to sea
Discover the tiny traits that allow animals to survive during #cleaquarium Homeschool Family Day - Wed., March 25. We'll focus on the little things that are big deals for smaller species with a drop-in educator-led activity 10am-12pm. Advance registration required. #homeschool
Discover the tiny traits that allow animals to survive during #cleaquarium Homeschool Family Day - Wed., March 25. We'll focus on little things that are big deals for smaller species with a drop-in educator-led activity 10am-12pm. Advance registration req'd. #homeschool ...https://www.greaterclevelandaquarium.com/event/homeschool-family-day-2/
Surprising findings from the field 🐢Years of tracking turtles in northwest Ohio and southeast Michigan reveal concerning inbreeding among box turtles—raising important conservation questions.
🔗

Are box turtles in worse shape than herpetologists thought? University of Toledo researchers raise the question in new research published in the...
phys.orgIt’s easy to miss the little things . . . The umbrella-shaped bell of a moon jelly. A sea star’s tiny tube feet in motion. A clown loach resting on its side. From a Surinam toad's star-tipped fingers to a seadragon’s leafy appendages, the beauty is in the details.
🔎Take a ...closer look at these and other small species during Spring Discovery Days at Greater Cleveland Aquarium, now - April 12.
🔗 Link in bio.
It’s easy to miss the little things . . . The umbrella-shaped bell of a moon jelly. A sea star’s tiny tube feet in motion. A clown loach resting on its side. From a Surinam toad's star-tipped fingers to a seadragon’s leafy appendages, the beauty is in the details.
🔎Take a... closer look at these and other small species during Spring Discovery Days at Greater Cleveland Aquarium, now - April 12.
Plan your visit: https://www.greaterclevelandaquarium.com/event/spring-discovery-days/
Coastal light pollution doesn’t just change the night sky—it can affect sharks’ biology. 🌃🦈
A new study found artificial light at night can suppress melatonin in sharks, especially in species that tend to stay in one area compared to those that travel widely. #natureiscurious
...https://news.miami.edu/rosenstiel/stories/2026/02/urban-light-pollution-alters-nighttime-hormones-in-sharks-study-shows.html
Answer 4 multiple choice trivia questions about some of the smaller species at Greater Cleveland Aquarium for a chance to win our Spring Discovery Days prize pack! Ages 18+. Enter by 4/12/26.
Details and entry at link in bio.
Answer 4 multiple choice trivia questions about some of the smaller species at Greater Cleveland Aquarium for a chance to win our Spring Discovery Days prize pack! Ages 18+. Enter by 4/12/26 here: https://www.greaterclevelandaquarium.com/event/a-little-trivia-giveaway/
During Spring Discovery Days (now - April 12), we focus on life's little things. Trivia, animal encounters, Discovery Carts and a 4-page activity book with a "spot the spotted" challenge are all part of our celebration of nature's more hidden infuencers. Open 10am - 5pm daily. ...#cleaquarium
During Spring Discovery Days (now - April 12), we focus on life's little things. Trivia, animal encounters, Discovery Carts and a 4-page activity book with a "spot the spotted" challenge are all part of our celebration of nature's more hidden infuencers. Open 10am - 5pm daily. ...#cleaquarium https://www.greaterclevelandaquarium.com/event/spring-discovery-days/
Good news for a critically endangered species! Endangered smalltooth sawfish—once wiped out of Florida’s Indian River Lagoon—are showing signs of returning. Researchers say young sawfish are using historic nursery habitats again.

During the winters of 2024 and 2025, widespread "spinning fish" events swept through the Florida Keys, impacting more than 80 marine fish species and...
phys.orgGreen never looked so good☘️💚
Celebrating St. Patrick's Day with some of our vibrant residents #cleaquarium #springdiscoverydays #takeacloserlook 🐢🐍
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