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Creepy Creatures of the Coastal Bays

The leaves are changing color and the temperatures are beginning to drop, meaning Halloween is right around the corner. This October, get to know the creepier creatures of the Coastal Bays! From a fish with slimy warty skin, to one with razor-sharp teeth, to another that can stun its prey with an electric current, these creatures are truly spooktacular!

Northern Stargazer

Northern Stargazer by Canvasman21
Northern Stargazer by Canvasman21

With its funky teeth, white spots, large head, and flat body, the northern stargazer (Astroscopus guttatus) is quite a strange looking creature. However, these unique features make the northern stargazer a skilled hunter. As a bottom-dwelling species, the northern stargazer feeds primarily on crustaceans, shrimp, and other benthic critters.

Juvenile Northern Stargazer by Liz Wist, MCBP
Juvenile Northern Stargazer by Liz Wist, MCBP

To feed, northern stargazers bury themselves in the sand with just their eyes and mouth sticking out, essentially camouflaging themselves from any critters swimming by. When they sense their prey approaching, stargazers produce an electric shock that stuns their target. This electric current is delivered through a special organ on the stargazers’ head, making the stargazer fall into a special category of organisms called bioelectrogenetic. Once the prey is stunned, the northern stargazer uses its large mouth to suck in the food, just like a vacuum cleaner!

Oyster Toadfish

The oyster toadfish (Opsanus tau), also referred to as the “ugly toad fish,” is quite a spooky looking critter. With fleshy flaps that line its mouth and eyes, a spiny dorsal fin, loud mating call, and powerful jaws, the oyster toadfish is definitely one of the most unique creatures in our bays.

Oyster Toadfish by Liz Wist, MCBP
Oyster Toadfish by Liz Wist, MCBP

The oyster toadfish is scale-less, covered in a mucus-y skin that feels slimy to the touch and can sometimes even have warts! Adults have vicious snapping teeth that are powerful enough to crack through oysters and other shellfish, crustaceans, and small fish.To protect itself from predators, the oyster toadfish has a spiny dorsal fin capable of puncturing as a defense mechanism. When it comes time to mate, male oyster toadfish produce a loud foghorn-like call to attract females by quickly contracting the muscles near its swim bladder. Remarkably, the oyster toadfish is able to survive in polluted waters and is even able to withstand being completely out of the water for 24 hours!

Lizardfish by Liz Wist, MCBP
Lizardfish by Liz Wist, MCBP

Inshore Lizardfish

The inshore lizardfish (Synodus foetens) has truly terrifying teeth! Named for its long, slender body that mimics the physique of terrestrial lizards, the lizardfish is best known for its sharp, needle-like teeth that fill its mouth and even line its tongue. Lizardfish are skilled predators with a voracious appetite for fish and small invertebrates.

Lizardfish by Arianna Russo, MCBP
Lizardfish by Arianna Russo, MCBP

They tend to live in coastal areas with sandy bottoms where they bury themselves and wait in anticipation for their prey.Lizardfish are often described as “invisible” predators because of how quickly they can dart around and ambush their prey. The second part of their scientific name, foetens, comes from the Latin word “foetid,” meaning “smelly” or “odorous,” referring to the stinky odor emitted when they die and begin to decompose!

About the Author

Katie is the 2021-22 Chesapeake Conservation Corps Member at Maryland Coastal Bays Program. This year, Katie will be splitting her time between education and science, assisting with a variety of restoration and monitoring projects and educational programming at MCBP. Katie looks forward to learning more about the Bays’ creatures, MCBP’s wetland restoration projects, and water quality sampling over the course of the year while also gaining experience in environmental education and getting to spend lot of time outside!

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