Caudotestis neopercis Yamaguti 1938

are endoparasites of

• World Register of Marine Species: Parapercis multifasciata Döderlein 1884 (馬氏擬鱸) (adult)
• World Register of Marine Species: Thalassoma ballieui (Vaillant & Sauvage 1875) (灰錦魚) (adult)
• World Register of Marine Species: Parapercis muronis (Tanaka 1918) (牟娄拟鲈) (adult)
• World Register of Marine Species: Parapercis aurantiaca Döderlein 1884 (adult)
• World Register of Marine Species: Thalassoma duperrey (Quoy & Gaimard 1824) (杜佩錦魚) (adult)

geographic distribution

• World Register of Marine Species: Japanese part of the North Pacific Ocean
• World Register of Marine Species: Hawaii

trophic guild

• World Register of Marine Species: endoparasite
• World Register of Marine Species: endoparasite
• World Register of Marine Species: endoparasite
• World Register of Marine Species: endoparasite
• World Register of Marine Species: endoparasite