The piece says: ,1st sentence of the summary:
"Stingrays of the family Potamotrygonidae are the only stenohaline freshwater elasmobranchs........"
So the article defines them from the get-go:
Wiki defines stenohaline:"Stenohaline describes an organism, usually fish, that cannot handle a wide fluctuation in the salt content of water."
but professor Miles says:
"Stingrays of the family Potamotrygonidae are the only stenohaline freshwater elasmobranchs........"
So the article defines them from the get-go:
Wiki defines stenohaline:"Stenohaline describes an organism, usually fish, that cannot handle a wide fluctuation in the salt content of water."
but professor Miles says:
Miles;3160213; said:Salt doesn't bother freshwater rays..
Ummm not sure if I should close this now or later? 


