Second intermediate host of Diphyllobothrium latum is -: (A) Cylops, (B) Man, (C) Snail, (D) Fresh water fish
Answer is D. Definitive host : Man (optimal) First intermediate host:Freshwater copepod, mainly of genera cyclops or Diaptomus second intermediate host: freshwater fish Ref; panikers textbook of Medical parasitology 8th edition page 118