Researchers thought that insects might not live there because their respiratory systems would implode from water pressure. But certain fly larvae in East Africa make daily trips toward the bottom of Lake Malawi with the help of strong air sacs that contain a stretchy protein
Yeah my reaction was like, what, there are crustaceans filling the exact niche, with exoskeleton and everything.
It’s like asking why whales don’t live on land - yeah that’s where they came from and they’re something different now.