Future Fishes is a term used to describe the potential of fish species to survive and thrive in the future. It is a concept that has been gaining traction in recent years as the effects of climate change and overfishing become more apparent. The term ROES, which is a 4 letter solution to the crossword, stands for 'Reproductive Outputs of Exploited Species'. This term refers to the reproductive capacity of a species, which is an important factor in determining its ability to survive and thrive in the future.