“…ovonucleata Raabe, 1958 infecting a large number of marine host species and species such as T. tenuidens Faure-Fremiet, 1944 in fresh water and T. jadranica Raabe, 1958 parasitizing only a couple of marine host species (Özer 2003a, ÖztÜrk & Özer 2008, Padua et al 2012, Valladão et al 2013. Moreover, Trichodina puytoraci Lom, 1962 and T. lepsii Lom, 1962 have been reported from only mugilids, such as the striped mullet, Mugil cephalus Linneaus, 1758, and the golden grey mullet, Liza aurata Risso, 1810 in brackish water (Bykovskaya-Pavlovskaya et al 1964, Kinne 1984, Grupcheva et al 1989, Özer & ÖztÜrk 2004, Özer & Yilmaz Kirca 2013. Xu (2007) made detailed revision on the identification of T. gobii Raabe, 1959, previously reported either T. domerguei gobii or T. jadranica by some authors (Raabe 1959, Lom 1970, Grupcheva et al 1989, Su & White 1995, Madsen et al 2000, summarized its host range and suggested that T. gobii is a widely distributed species that belonged to one of the extraordinary fish trichodinids occurred in both marine and freshwater environments.…”