Sensory system  
Mouth  
Nostril  
Ampullae of Lorenzini ¹  
Eye  
Endolymphatic pore ²  

  Respiratory system  
Spiraculum ¹  
Gill slits  

  Locomotor system  
Pectoral fin  
Pelvic fin  
Dorsal fins  
Anal fin  
Caudal fin  

  Reproductive system  
Clasper  

  Excretory system  
Cloaca  

  Parasites  
Parasitic copepod  

None 

    _{1: unclear/indistinguishable
    2: not visible}  

  Digestive system  
Oesophagus ²  
Stomach  
Liver left lobe  
Liver median lobe  
Liver right lobe  
Gallbladder ¹  
Bile duct  
Pancreas  
Pylorus  
Duodenum  
Spiral valve intestine  
Rectum  
Rectal gland  
Cloaca  

  Cardiovascular system  
Heart  

  Respiratory system  
Gills  

  Lymphatic system  
Spleen  

  Urinary system  
Kidney ²  

  Reproductive system  
Testis  
Epididymis ²  
Seminal vesicles ²  
Clasper  

None 

    _{1: unclear/indistinguishable
    2: not visible}  

  Digestive system  
Oesophagus  
Stomach  
Liver left lobe  
Liver median lobe  
Liver right lobe  
Gallbladder ¹  
Bile duct  
Pancreas  
Pylorus  
Duodenum  
Spiral valve intestine  
Rectum  
Rectal gland  
Cloaca  

  Cardiovascular system  
Heart  

  Respiratory system  
Gills  

  Lymphatic system  
Spleen  

  Urinary system  
Kidney ¹  

  Reproductive system  
Testis  
Epididymis  
Seminal vesicles  
Clasper  

None 

    _{1: unclear/indistinguishable
    2: not visible}