Homo nihonensis philippinae

Evolution
Arised from a group of H. Nihonensis ordinatus sailing from southern Japan to the island of Luzon around 150,000 BCE.

Characteristics
Due to their lifestyle being based heavily around the sea, they became larger and sturdier as well as more resilient to disease than their cousins up north. This of course required more food to maintain, but the H. Nihonensis philippinae mainly lived off the sea and eating sea food, a niche most other humans did not fill, and thus could easily fulfill their needs. As such, their brains grew larger, granting them the ability to form more complex social structures their cousins couldn't adopt until much later. They later developed underwater sight (similar to the real life Moken people) because of their strong affiliation with the sea.