Fishes and Shellfishes Low in Cystine (per 100 g edible portion)

• Sea cucumber (raw)
  
  50 mg
• Short-necked clam (raw)
  
  79 mg
• Freshwater clam (raw)
  
  80 mg
• Oyster (cultured, raw)
  
  81 mg
• Hard clam (raw)
  
  96 mg
• Blue shark (raw)
  
  130 mg
• Snow crab (raw)
  
  130 mg
• Japanese eel (cultured, raw)
  
  140 mg
• Sablefish (raw)
  
  140 mg
• Abalone (raw)
  
  140 mg
• Cuttlefish (raw)
  
  140 mg
• Common octopus (raw)
  
  140 mg
• Carp (cultured, raw)
  
  160 mg
• Hen clam (raw)
  
  160 mg
• Horsehair crab (raw)
  
  160 mg
• Loach (raw)
  
  170 mg
• Sandfish (raw)
  
  170 mg
• Antarctic krill (raw)
  
  170 mg
• Fish paste product (fish sausage)
  
  170 mg
• Matsubara's red rockfish (raw)
  
  180 mg