Ghost Crabs Have Stomach Teeth That They Use To Growl At Each Other
Crabs, as with other species like lobsters and crayfish, are known to have teeth in their stomachs. In the absence of teeth in their mouths, this feature, called a gastric mill, allows them to process food. “There are three main teeth—a medial tooth and two lateral teeth—that are essentially elongated, hard (calcified) structures,” Jennifer Taylor, from the University of California, San Diego, told Newsweek. “They are part of the gastric mill apparatus in the stomach, where they rub against each other to grind up food....