Fishes and Shellfishes High in Ammonia (81st - 87th) (per 100 g edible portion)

• Firefly squid (raw)
  
  190 mg
• Cuttlefish (raw)
  
  190 mg
• Oyster (cultured, raw)
  
  130 mg
• Freshwater clam (raw)
  
  120 mg
• Hard clam (raw)
  
  100 mg
• Sea cucumber (raw)
  
  95 mg
• Short-necked clam (raw)
  
  95 mg