MalacocephalusMalacocephalus is a genus of rattails.SpeciesThere are currently seven recognized species in this genus:Malacocephalus boretzi Sazonov, 1985Malacocephalus hawaiiensis C. H. Gilbert, 1905 Malacocephalus laevis Malacocephalus luzonensis C. H. Gilbert & C. L. Hubbs, 1920Malacocephalus nipponensis C. H. Gilbert & C. L. Hubbs, 1916Malacocephalus occidentalis Goode & T. H. Bean, 1885 Malacocephalus okamurai Iwamoto & T. Arai, 1987