Introduction to the Shark and Turtle Pool: Lemon sharks and green turtles are displayed separately in the pool. Lemon sharks are generally between 2.4 and 3 meters long, with a yellow-brown body and yellow belly. Green turtles are known for their fat body. It is named after its green color. It has a huge body and is covered by an oblate carapace. Only its head and limbs are exposed outside the shell. Its lifespan can reach more than 100 years.