High phenotypic frequencies of complete albinism in wild populations of biomphalaria pfeifferi (Gastropoda: Pulmonata)

Gabriel Mouahid^*, Rodrigue Mintsa Nguema, Mohamed A. Idris, Mahmoud A. Shaban, Salem Al Yafee, Juliette Langand, Marion Verdoit-Jarraya, Richard Galinier, Hélène Moné