Are Half of the 369 shark species are over 39 inches?

No, half of the 369 recognized shark species are not over 39 inches in length. While many shark species can grow larger, numerous smaller species exist that are significantly under that size. In fact, a considerable number of shark species are much smaller, often measuring less than 39 inches (about 1 meter). The size range among shark species is quite diverse, with many adapted to different habitats and ecological niches.