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Fin Disorders
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Symptoms
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Cause
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Treatment and Links
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A). The fish spread their fins, dart about and
breathe rapidly |
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The pH may be too low |
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Do a pH test and use baking soda to raise it up
to the required level. |
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Could be poisoning, or high ammonia levels |
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Change the water several times and filter over
fresh, activated charcoal. |
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B). The fins fray and the skin fades
until it is whitish |
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The pH can be too high |
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Do several water changes. If this does not
help, lower the pH with Sodium Bisulfate -or- Sodium Monophosphate |
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C). Black or brown nodules appear on
and between the fin rays and at their bases |
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If the fish were captured in the wild, they
could have encapsulated worm larvae (metacercariae) |
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Treat with:
De-Los |
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D). Red worms appear at the bases of
the fins |
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Bloodworms (Philometra sanguinea) in the blood
are involved |
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No treatment known, in the aquarium there is no
danger of any spread of the parasite. |
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E). The fish compress their fins and
scrape themselves. Worms are apparent |
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The fish are affected by a skin infection |
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Treat with: Praziquantel -or-
De-Los -or-
Parinox |
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F). White dots, up to 1mm in size,
form on the fin edges and surfaces |
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a). Your fish is affected with Ichthyophthirius
(Ich).
b). In saltwater, Cryptocaryon Irritans |
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a). Use:
Forma-Green
-or- Quinine Sulfate b).
Use: Quinine Sulfate -or- Forma-Green
-or- Copper Sulfate. |
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G). A velvety coating forms on the
fin edges and the sides. With a magnifying glass, the
individual dots are visible |
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Your fish are affected by Oodinium |
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Use:
Forma-Green -or-
Copper Sulfate. |
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H). The fins, edged in white, grow
shorter and shorter |
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Bacterial fin rot, or too high pH |
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Check the pH. If this is not the
case, treat with:
TMP Sulfa -or-
Sulfa 4 TMP |
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I). Small, white, cauliflower
looking substances are attached to the fins, or at the base of
the fins. |
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Your fish is affected by the Lymphosistis virus |
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No suitable treatment known. |
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J). Wormlike cysts, measuring up to
1cm are found in the fins |
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Probably Dermocystidium |
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No suitable treatment known. |
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K). The fish have redness at the base of
the fins, or... red streaking in the fins and/or body. |
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Your fish are affected by Hemorrhagic Septicemia |
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Treat the fish with
Doxycycline -or- Oxytetracycline for 10 days. |
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