IchthyophonusIchthyophonus is a genus of unicellular eukaryotic parasites of fish. They were once considered to be fungi, but phylogenetic evidence suggests they are protists related to both fungi and animals.SpeciesIchthyophonus gasterophilus Sprague 1965Ichthyophonus hoferi Plehn & Mulsow 1911Ichthyophonus intestinalis Léger & Hesse 1923Ichthyophonus irregularis Rand et al. 2000Ichthyophonus lotae Leger 1925