There is a few researches about the development of pituitary of teleost fishes.In China,there is only reports about that of Ctenopharyngodon idellus and Hippocampus japonicus.Silurus meridionalis or Silurus soldatovi meridionalis, is a kind of Siluridae fish of quick growth,strong anti-infection and high value.Some scientists has made research about the development of its embryonic and larva,but there is still no report about the development of its pituitary. The article investigated the different dev...