Krishnan: Endangered Species (2)

Spiny Dogfish Shark, Squalus acanthias. Found at 37.8087° N, 122.4094° W (Aquarium of the Bay, San Francisco). Its the grey-ish one. In the top picture on the top and on the bottom picture on the right. The other shark in these pictures is called the Leopard Shark which is not endangered.