采用扫描电镜方法对寄生在黄鳝体内的隐藏新棘虫的形态进行了研究。结果发现,隐藏新棘虫为圆筒形,向腹侧部弯曲,前端膨大而后端变小。顶端有一象牙形吻钩的球形吻突,可自由伸缩且中间有一突起。体表呈假分节状,有体棘部位约占虫体躯干的1/3,靠近颈端的体棘较密,而后端变得稀疏。雌虫尾端为盘状,雄虫尾端布满皱褶,交合伞可自由伸缩。 Scanning electron microscopy (SEM) was used to study the morphology of the hidden new caterpillars parasitized in the eel. As a result, it was found that the hidden new rhizome is cylindrical and curved toward the ventral side, with the front end enlarged and the rear end smaller. At the top there is an ivory-shaped hooked ball that protrudes freely in the middle. Body surface was false sub-section, there are body parts of the body about 1/3 of body trichomonas, close to the neck of the body spines more dense, while the back becomes sparse. Female end of the disc-shaped, male tail covered with folds, cross-umbrella can be freely scalable.