Order Lamniformes . They are light brown, have distinctive bumps over their eyes, a pig-like snout, and some dark brown stripes on the upper back. They mostly stay in shallow-water caves and reefs. These sharks are oviparous, laying eggs among the rocks with corkscrew-like spiral cases. Order Heterodontiformes .
Juveniles have dark blue skin.
The skin has big, scale-like dermal denticles . It eats squid and bottom dwelling fish. The Portuguese shark is found in the Atlantic Ocean, the Mediterranean Sea, and the Pacific Ocean. A predator is an animal that hunts and kills other animals for food. This time varies from culture to culture.