Many divers dream of the day they find themselves swimming beside a whale shark. Its gentle demeanour and huge size presents a unique humbling experience that is second to none.
Yet, there is much we still do not know about whale sharks.
Today, one of their hidden mysteries have been unlocked–their age.
Until recently, it was hard to fix a number to their age, as they do not have bony structures (otoliths) which are traditionally used to calculate the age of fish.