A Photo a Week Challenge: Tasty Treat January 28, 2021 Cai non-Art Pet terrapins sometimes enjoy tasty treats like seaweed. These terrapins are roughly 5 years old. Every terrapin is different. One may enjoy tasty treat like seaweed, while the other simply hates it. “A Photo a Week Challenge”: Tasty Treat. Use the “postaday″ tag.