The humble fish, or ichthys (ἰχθύς) in Greek, was a symbol that played a crucial role in the early years of Christian history. But why?

Two types of fish have been shown to use gestures, or sign language, to help one another hunt. This is the first time these types of gestures have been found to occur in animals other than primates ...

If you live on planet Earth and you have ever seen a car, then you have probably seen what is colloquially known as "the Jesus Fish." This relatively rudimentary symbol of a fish is ancient in origin ...