Knotlike white pimples - skin
Skin shows a number of knotlike white raised pimples.
A common myxosporidian parasite. Normally does not cause mortality, only when infecting fish in large numbers.
Usually no harm done to fish.
Myxobolus turpisrotundus (Myxosporea: Bivalvulida) spores with caudal appendages: investigating the validity of the genus Henneguya with morphological and molecular evidence.
From Parasitol Res (2010) 107:699–706 Yang Liu et al.