▷ Skin clouding in fish | Details, diagnosis and treatment

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Symptoms of skin turbidity

external symptoms

  • The skin looks cloudy.
  • The eyes become cloudy.
  • A gray or white layer covers the skin.
  • A gray or white layer covers the eyes.
  • Red spots on the sides of the fish.
  • The gills are swollen.

Behave

  • Fish dart around.
  • Fish become listless.
  • Fish are on the ground.

photos

Photo: Gerhard Fischer

Red-headed tetra with skin opacity

Photos: Gerhard Fischer

Photo: Marcus W.

Catfish with clouded skin on the back. The suspected cause is skin worms. With a magnifying glass, the suspicion can be confirmed or refuted.

Photos: Guppy1705 (Forum)

clown loach with heavy slime formation.

causes

Skin clouding is caused by the increased formation of mucus on the (mucous) membranes of the fish. Skin opacities are best recognized on darkly colored areas and on the eyes. Skin opacities are usually triggered by various parasites, e.g. e.g.:

  • Ichtyobodo
  • Trichodina
  • skinworms
  • gillworms

Unicellular parasites that live on the skin of fish are also known as skin turds. A few skin blemishes are found on many fish. These are typical weakness parasites. They only multiply strongly when the living conditions for the infested fish are unfavorable. It is often sufficient to combat it if the housing conditions for the fish are quickly improved.

Bacterial diseases often occur as a result of skin clouding or infestation with parasites. The skin damage caused by the parasites are points of attack for bacteria.

Skin opacities should definitely be examined with a magnifying glass that is as good and strong as possible. If the cause is an infestation with skin worms, they can be recognized by their typical appearance and their snaking movements.

Skin opacities due to parasite infestation can be associated with skin necrosis, e.g. B. be confused by columnaris. Hazy eyes often occur together with poppy eyes.

Skin imperfections often look very similar to white spots, which are commonly caused by bacterial infections.

treatment suggestions

If the exact cause of the skin opacities cannot be determined, but there is a suspicion that the opacities are caused by unicellular parasites, e.g. B. Ichtyobodo, Trichodina, etc., is treated as described in Cures for Skin Flagellates.

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If infested with worms, treat as described under remedies for skin worms or remedies for gill worms.

Further information

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