The present invention relates to an artificial shell and a rope widening prevention pipe used for the same. According to the present invention, structural improvement is performed on an artificial shell that is installed on a hanging line for the culture of adhesive marine products such as oyster and sea squirt, and the artificial shell can be simple in structure, can be manufactured with ease, has a firm structure, and can be installed in a convenient way, which results in an easier and more rapid culture operation. In addition, a deviation of a larval stem attributable to an external force such as water pressure following larval stem insertion can be prevented and larval stem dropping can be prevented by inter-rope widening being prevented. Furthermore, the rope widening prevention pipe is produced so that a gap between the shells can be maintained and artificial shell installation can be performed in an efficient way. The artificial shell according to the present invention includes: a plate-shaped artificial shell main body having a predetermined thickness, multiple insertion through-holes for hanging line rope insertion being formed at the center of the plate-shaped artificial shell main body a reinforcing belly surrounding the outer side of the bending-restricted shell main body over a predetermined height and formed on one or both of upper and lower surfaces of the shell main body a larval stem fixing groove formed inside a larval stem insertion groove and preventing larval stem deviation and a larval stem protection groove preventing larval stem cutting. The rope widening prevention pipe includes: a tubular main body having a predetermined height, a rope insertion through-hole being formed at the center of the tubular main body and multiple bending-restricted bellies formed at a predetermined distance in a length direction at an inner peripheral edge of the main body.COPYRIGHT KIPO 2016본 발명은 인공패각 및 이에 사용되는 로프 벌어짐 방지관에 관한 것으로, 더욱 상세하게는 굴과 멍게와 같은 부착 성 수산물을 양식하기
