Classification Challenges.

Dogfish Pup:
   -Can hunt alone in groups.
   -Eat small fish, squid, and crustaceans.
   -Has a string jaw for crushing shells and has small but sharp teeth.
   -Is a bottom dweller but needs to be in temperatures of 45 to 59 degrees.
   -Has a sharp spine in front of the dorsal fin (can be poisonous).