How To Use Cowfish In A Sentence

Their only vegetable food is what they obtain from the palm-trees, and they subsist generally on turtle, tortoises, and the flesh of the manatee or cowfish, and other fish, which they spear or take with nets. The Three Lieutenants
A cowfish, a triggerfish, the harlequin Picasso fish, a drifting sponge—all these lives were being lived out, every day, as they always had been. The Shell Collector : Stories
Boxfish, also known cowfish, can be found in warm ocean waters, where they linger near the seafloor.
From the cowfish we see that fish are named arbitrarily, and it's up to them thereafter.
The opening page for Reference has a featured article from Wikipedia - today it's about the Longhorn cowfish, October 20 in History (US history), People in the news (based on what?) Internet News: Search Engines Archives

In some boxfishes, such as the aptly named cowfishes, the keels extend forward, beyond the body, to form sharp horns.
Boxfish, also known as trunkfish or cowfish, are known for their distinctive boxy profiles and for the bonelike, six-sided plates that cover much of their bodies and protect them from predators.
Boxfish, also known as trunkfish or cowfish, can be found in warm ocean waters, where they linger near the seafloor to hunt for burrowing invertebrates.
I do not know what species they were — cowfish, the Jebeans called them — but they were a salmon hue, with many-rayed dorsal fins and small heads. Kushiel's Avatar
In some boxfishes, such as the aptly named cowfishes, the keels extend forward, beyond the body, to form sharp horns.
Camo suggested that we should try and catch a cowfish, the flesh of which, when cut up into strips and dried in the sun, could be preserved for a considerable time, and would prove more serviceable than any other food we were likely to obtain. The Wanderers Adventures in the Wilds of Trinidad and Orinoco
The specimen is identified as a cowfish based on several morphological characteristics.