But the swim bladder which makes them neutrally buoyant will give them an "up" a... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

5l on June 20, 2011 | parent | context | favorite | on: Fish don't know they're in water

But the swim bladder which makes them neutrally buoyant will give them an "up" and "down" sensation.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact