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These Small Animals Make a Big Impact

March 28, 2024
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While the giant Pacific octopus or sandtiger sharks always make an impression on Greater Cleveland Aquarium guests, many little animals are capable of doing mighty things, often impacting their ecosystems in invaluable ways. Check out few examples of a few smaller species worthy of your appreciation on your next #cleaquarium visit.

Stoplight Parrotfish

Stoplight parrotfish swimming near coral at Greater Cleveland Aquarium.
Parrotfish jaws and teeth are uniquely adapted for eating corals. Their strong teeth can crush up the hard coral skeleton and once it passes through the fish’s digestive system it is expelled as sand. It is estimated that parrotfish produce as much as one ton of coral sand per acre of reef in year.

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Scarlet Cleaner Shrimp

Scarlet cleaner shrimp on a rock in the Aquarium touchpool.
Cleaner shrimp set up cleaning stations on top of a rocks or coral, almost like underwater car washes. Once the cleaner shrimp sway side to side to signal they are “open for business,” fish drop in to have their dead cells and parasites removed.

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Cookie Dough Sea Cucumber

Cookie dough sea cucumber curled up against a rock.
Cookie dough sea cucumbers interact with their environment almost like an earthworm in soil, breaking down small particles in the water that contribute to the nutrient cycle.

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Eastern Musk Turtle

Up-close image of an eastern musk turtle standing on a rock.
Found in the Eastern and Central United States, these little turtles are sometimes called stinkpots for the big smell they produce to deter predators.

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Northern Clingfish

Underside of a northern clingfish stuck to the Aquarium acrylic.
The clingfish is unique in its ability to quickly attach and detach from wet, irregular surfaces. Their suction disk can cling so tightly that scientists are trying to create suction cups based on the clingfish’s disk’s functionality.

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Plan a visit to Greater Cleveland Aquarium for a BIG look at SMALL species during Spring Discovery Days.

For more small animal fun facts, check out the playlist below:

With eyes up top and mouths down below, how do stingrays locate their food? You'll find out when you feed one.

Feed a Stingray
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