Yes, in their stomach contents; the otolith bones and their heads—that was how they identified it.
They said they didn't find any large cod. Large cod weren't being eaten. At that time, we spoke up almost simultaneously around the table: “Oh? Well, why are the large cod disappearing off our trawls and our nets? All we're catching is the heads.”
The heads are bigger and heavier on the big cod. They're almost all solid bone and are almost impossible to digest. What they were doing was eating them up as far as the head, and that was it.