The latest study, published in October, touting the health benefits of eating fish suggests a seafood-rich diet can protect men from developing prostate cancer. But with rising mercury levels and diminishing seafood populations, what are the best types of fish to eat -- for your body and for the planet?

On November 3, men's online magazine Ask Men published a roundup of some of the best types of fish to support the recommended twice-weekly diet of seafood. All of these pack a punch in terms of protein and amino acids, yet contained reduced mercury levels and have healthier populations compared to larger species, such as shark and tuna.