:Ceratomyxa yokoyamai

{{Short description|Species of marine parasite}}

{{Speciesbox

| taxon = Ceratomyxa yokoyamai

| authority = Gunter & Adlard, 2009

}}

Ceratomyxa yokoyamai is a myxosporean parasite that infects gall-bladders of serranid fishes from the Great Barrier Reef. It was first found on Epinephelus maculatus.{{cite journal|last1=Gunter|first1=Nicole L.|last2=Adlard|first2=Robert D.|title=Seven new species of Ceratomyxa Thélohan, 1892 (Myxozoa) from the gall-bladders of serranid fishes from the Great Barrier Reef, Australia|journal=Systematic Parasitology|volume=73|issue=1|year=2009|pages=1–11|issn=0165-5752|doi=10.1007/s11230-008-9162-6|pmid=19337855|s2cid=21039994|doi-access=free}}