Most sharks have 20 to 30 rows of pearly whites, but whale sharks have more than 300 rows. That means a whale shark has 3000 individual teeth, each one about the size of a match head. 5. read more
The whale shark (Rhincodon typus) is a slow-moving, filter-feeding carpet shark and the largest known extant fish species. The largest confirmed individual had a length of 12.65 m (41.5 ft) and a weight of about 21.5 t (47,000 lb). read more