The syndrome displayed as protrudent eyes, lackluster surface with white cytocysts, ulcerative gill, swoln throat, anabrotic liver and inflammatory intestinal tract.
The U.S. government says the biggest threat to them is commercial fishing, whether they're caught accidentally or targeted for their meat or gill plates.
Scientists still aren't sure what causes em, but possible explanations include hiccups being an evolutionary remnant from a few hundred million years ago when our ancestors still had to pump water over their gills.
Goosebumps are a feature we share with lots of animals that didn't lose their body hair, and even hiccups trace back to the brains of fish and tadpoles, a brain signal they use to squeeze water through their gills.
Nurse sharks even nap on the seafloor; however, they use a form of ram ventilation in which they draw in water through nostril-like structures near the eyes, called spiracles, and force it out through the gills.
Merpeople were emerging on all sides now, watching him eagerly, pointing at his webbed hands and gills, talking behind their hands to one another. Harry sped around a corner and a very strange sight met his eyes.