Dogfish are bottom feeding scavengers and predators on small crabs and
squid. Generally they can feed only on prey that is small enough to be
swallowed whole. The reason for this is their dentition is quite
different from nearly all other shark species. As you can see from the
picture above these are not
the serrated, triangular teeth usually associated with sharks, but
consists of a mulch-rowed band of small scale-like structures lining the
jaw. These teeth are used more to grind up food rather than tear it.
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