Fishes and Shellfishes High in Copper (1st - 20th) (per 100 g edible portion)
- Firefly squid (seasoned and smoked)
- Firefly squid (tsukudani)
- Shrimp, Processed product (boiled and dried shrimps)
- Mantis shrimp (boiled)
- Firefly squid (raw)
- Sakura shrimp (dried)
- Apple snail (canned in brine)
- Firefly squid (boiled)
- Ocellated octopus (raw)
- Oyster (canned in oil, smoked)
- Sakura shrimp (niboshi)
- Antarctic krill (raw)
- Sakura shrimp (boiled)
- Squid, Processed product (shiokara)
- Pond snail (raw)
- Antarctic krill (boiled)
- Lamprey (dried)
- Shrimp, Processed product (tsukudani)
- Crab, Processed product (ganzuke)
- Oyster (cultured, boiled)