My whole effort's been on pause until a new sculpt viewer could be found, seeing as XIVMODELS doesn't update anymore and I didn't have anything as convenient.
My guess? Despite being found in water, [Vilekin | Scorpion scorpion].
Tough to say. With the laws of reality unraveling, I fear we're going to get a lot more examples that don't fit into Raimdelle's categorization. Even now, I'm getting bogged down in categories with one representative, which almost defeats the point.
Feathers say Cloudkin; faces, feet, and scales say Scalekin. Leaning towards Scalekin just because they show signs of obeying Midgardsormr and are intelligent enough to operate Garlean artillery.
