However , some localized freshwater populations have shown reduced health and reproduction due to declining water quality .
As there is no fishery targeting this species and bycatch mortality appears to be low , it was assessed as of Least Concern by the World Conservation Union .
Some localized freshwater populations have shown reduced health and reproduction due to declining water quality .
As there is no fishery targeting this species and bycatch mortality appears to be low , it was assessed as of Least Concern by the World Conservation Union .