"The American crayfish was introduced in the '20s. A guest, if you like. And like most guests having a good time, they didn't wanna leave. Next 50 years, they c

"The American crayfish was introduced in the '20s. A guest, if you like. And like most guests having a good time, they didn't wanna leave. Next 50 years, they consumed all the local crayfish, wiped them out. And then, they started eating each other. That's the thing about greed, Arch. It's blind. And it doesn't know when to stop." - Lenny Cole, from Rocknrolla