List of freshwater aquarium fish diseases.
Common freshwater aquarium fish diseases include the following:


Amylodinium (marine velvet)

Chilodonella
Constipation
Costia
Cotton Mouth Disease
Cryptocaryon (marine ick)

Dropsy
Fin rot
Glugea and Henneguya

Hexamita (hole in the head
Ichthyophthirius (white spot or ick)
Ichthyosporidium
Lymphocystis

Mouth Fungus
Neon Tetra Disease
Oodinium (velvet)
Red Pest

Scale Protrusion
Swimbladder Disease
Tail Rot
Tuberculosis
Tumors (cancers)

Parasitic
Argulus
Anchor Worm
Ergasilus
Flukes (Skin or Gill)
Nematoda
Leeches


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List of Freshwater Aquarium Fishes