#101 SPECIES: Ceratothoa sp. (probably a new species) WILLIAMS FIELD NUMBER: Wms Jap Isop-179 MUSEUM FISHNUMBERS: Kochi Fisheries Lab #36232 LOCATION IN/ON HOST: tongue SPECIMENS: 1 female HOST: Greeneye, Chlorophthalmus acutifrons HOST STANDARD AND TOTAL LENGTHS (cm): 18.1 cm SL, 22.0 cm TL COLLECTION LOCALITY: Mimas fish market, Japan COLLECTION DATE: 23 Jan. 1982 COLLECTORS: Ernest H. Williams and Lucy Bunkley-Williams PHOTOGRAPHS: roll #11, slides 6-8