“…It seems it was originally distributed in eastern, southeastern and southern Asia, from where it has been recorded from Japan, China, eastern Russia (Amur R. basin), Korea, Vietnam, Singapore and India (e.g., Fujita 1927a,b, Yamaguti 1935, Li 1941, Dogiel and Akhmerov 1959, Roytman 1963, Raina and Dhar 1972, Chen 1973, Petter et al 1974, Wang et al 1979, Wu 1984, Vismanis et al 1987, Moravec and Sey 1988, Moravec and Nagasawa 1989, Wu et al 1991, Kim et al 2002, Moravec et al 2003. It also occurs in the cultures of aquarium fishes in Europe, North America (Canada), South America (Brazil), West Indies (Puerto Rico) and Australia, where this pathogenic parasite is being brought in along with exotic fishes, imported mainly from Singapore (e.g., Schubert 1972, Petter et al 1974, Stumpp 1975, Campana-Rouget et al 1976, Bunkley-Williams and Williams 1994, Font and Tate 1994, Alves et al 2000, Evans and Lester 2001, Levsen 2001, Levsen and Berland 2002a,b, Levsen and Jakobsen 2002, Menezes et al 2006. Camallanus cotti has also been reported from native and introduced fishes in some streams in Hawaii, where it was apparently brought in along with the introduction of poeciliids (Font and Tate 1994, Font 1997a, b, 1998, 2003, Vincent and Font 2003a.…”