Wiktionary
aquatically
adv. In an aquatic style or manner.
Usage examples of "aquatically".
He was driving down the wind-etched tilted plain, and earlier that day snow had begun to appear in the cracks, gleaming aquatically in a way dust never did.
So you got an aquatically configured creature who can't live in water.
The hands moving gently, slowly and aquatically, away from the window.
Lavena supposed that she wasn’t the only one who heard him, however, since her aquatically adapted hearing wasn’t particularly acute in the bridge’s prevailing M-Class environment.