Why don’t hovers?

1. To float in the air without moving in any direction

2. to stay very close to a person or place

3. to stay near a specified point or level

Merriam-Webster

It seems to capture both stillness but also the fine flutters and oscillations you see when you spot a group of minnows just hanging out. Plus, it brings to mind motion through air, which, when talking about fish, is a powerful touch.

or Wavering, maybe with a modifier? Is there no room for (barely wavering)? If to

blink, what if you want to giggle/wink,

“Glimmering Do

you think she does? “, hardly wavering?