Levels, Distribution, and Health Risks of Polycyclic Aromatic Hydrocarbons in Four Freshwater Edible Fish Species from the Beijing Market

Table 1

Fish species and their characteristics collected from a local market in Beijing.

Common name	Scientific name	Feeding mode	Average length (cm)	Average weight (g)	Lipid contents
Crucian carp	Carassius auratus	Omnivorous	20	250	0.6%~22.5%
Bighead carp	Aristichthys nobilis	Filter feeder	34	750	0.6%~24.1%
Carp	Cyprinus carpio	Omnivorous	25	450	2.4%~35.0%
Grass carp	Ctenopharyngodon idellus	Herbivorous	34	650	2.9%~26.8%