There is an old saying: “There are plenty of fish in the sea”, which is meant to cheer people up who have recently ended a relationship. But taken literally, it turns out that in today’s world this ...

With the old romantic adage of “there’s plenty of fish in the sea," one might assume that having more potential partners increases the chances of success when it comes to romantic relationships.

Sea lampreys wiggle like snakes in the water, but these creatures have a unique mouth that latches onto the sides of fish, stealing their nutrients. It’s one reason why agencies want to remove these ...