Excerpt:
Fish have bladders, but not the one you’re thinking of. These swim bladders put the buoyancy control of scuba divers to shame.
The Hakai Institute’s Long Story Shorts series is back with a new season. In the first episode, we learn that fish have a bladder, but not the one you’re thinking of. These swim bladders put the buoyancy control of scuba divers to shame. (Video length: 1 min, 45 sec)
