Through anatomy and observation of the thymus macrostructure in Lutianus erythopterus, it is found that the thymus is located on either side of the upper corner of the opercula cavity.

• 摘要通过对红鳍笛鲷胸腺进行形态解剖和显微镜结构的观察，结果表明，红鳍笛鲷的胸腺位于鳃腔背上角深处，紧贴鳃腔膜下，左右各一个，呈对称分布。