Library > Diseases and Medications > Internal Problems > Black area, Nerve Damage | ||||||
Black area, Nerve Damage | ||||||
Ardan Huck | May 24, 2002 | |||||
The fish (not a discus) pictured below is used with permission from "Handbook of Fish Diseases" by TFH Publications, Inc. If a blackened area appears on a fish, it is possibly due to a pinched nerve. This could be secondary to a tumor or swelling. Swelling may be due to internal infections, internal parasite infestation (dropsy or bloating due to internal parasites, according to Dieter Untergasser, 1989). Source Handbook of Fish Diseases by Dieter Untergasser, TFH Publications, Inc. 1989 |
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