Ambulagnia

The ubiquity of smaller, photosynthesizing cells made it only natural for some polar Photosagnians to attempt to tap into the mostly defunct predatory niche in the region. Though they still photosynthesize, these cells have evolved an extended cytoplasm in order to move around much more quickly and devour any smaller cells they come across.

More sunlight can also be acquired by them due to their pigment shifting to an even darker color, assisting in the change towards a more predatory nature; with their size doubling, they appear poised to continue expanding uncontested through the southern oceans for now.