Wedgefish diet is not what its teeth would have you think https://www.mpg.de/11478384/wedgefish-teeth-diet?c=11970107
Although wedgefish teeth appear to be designed for eating shellfish, M. Dean from the Max Planck Institute of Colloids and Interfaces has discovered that they also eat stingrays.
Proteins The diet of some animals is not what the shape of their teeth would have