The Aquarium will be open Saturday, October 21, 2017, during the Baltimore Running Festival. Learn more about detours and road closures here.

Longhorn Cowfish

Longhorn Cowfish

Lactoria cornuta

Longhorn Cowfish Longhorn Cowfish Longhorn Cowfish Longhorn Cowfish

This charismatic fish is a member of the boxfish family, and is easily recognizable by its long horns that protrude from the front of its head.

This fish displays a unique behavior of blowing into the sand of the sea floor to uncover buried food items such as small worms.

Did You Know?

This fish can excrete a toxin to deter predators.


Sponges, polychaete worms, mollusks, small crustaceans, and small fishes


The longhorn cowfish can grow to a length of 20 inches.


Red Sea and tropical Indo-Pacific


All boxfish can excrete a toxin that usually keeps predators from eating them, although larger fish and sharks might try.

Back to the Top