• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
Aquarium Science

Aquarium Science

The Science of Aquariums

  • Home Page
  • Show Search
Hide Search
You are here: Home / 12. Treatment

12. Treatment

12. Treatment of Fish Disease in the Aquarium
12. Treatment of Fish Disease in the Aquarium

Diseases are generally not a problem in aquariums which have over-filtered, crystal clear, bacteria free water.

.

The Key to Good Fish Health is Clean, Bacteria Free Water

.

Note this does not mean water which is changed frequently.  The idea that water changes create good health is a myth. The idea that water which has “good water parameters” will give good health is also a myth.

We go into that in more depth in this link:

12.9. Avoiding Fish Diseases

Uaru amphiacanthoides Uaru Cichlid
Uaru amphiacanthoides Uaru Cichlid
General Articles on Disease Treatment

One caution about diagnosing fish diseases. Even with a microscopic examination fish diseases are not easy to diagnose. Most hobbyists have only what their eyes tell them to go on as to what any fish disease is. This means that diagnosis of any fish disease is simply a “best guess”. And these “best guesses” are frequently wrong. So keep this in mind in all the following treatment articles.

There are some general articles which will be useful when treating any fish disease:

12.1. Basics of Treatment

12.2. Various Treatments Summarized

12.3. Quarantine Tanks

12.4. Ineffective Medications

12.5. Fish Don’t Drink

12.6. Sterilization

12.7. Making Medicated Food

12.8. Euthanizing a Fish

12.9. Avoiding Fish Diseases

12.10. The “Shotgun” Approach

Tropheus moorii Red Moliro
Tropheus moorii Red Moliro

This is in addition to the last chapter on symptoms. The articles in this chapter are as follows:

11.1. Hole-in-the-head Syndrome

11.2. Stringy White Poop

11.3. Malawi Bloat

11.4. Dropsy

11.5. Hollow Belly

11.6. Swim Bladder Disease

11.7. Shimmying

11.8. Twirling

Toxotes blythii Burmese Archer Fish
Toxotes blythii Burmese Archer Fish

11.9. Spinal Deformities

11.10. White Skin Blotches

11.11. Red Skin Blotches

11.12. Neon Tetra Disease

11.13. Slime Coat Disease

11.14. Scaly Skin

11.15. Fish Not Eating

11.16. Aggression

11.17 Black Death

11.18. Black Head Syndrome

Tropheops Yellow Thumbi
Tropheops Yellow Thumbi

These articles in turn are in addition to all the articles on specific diseases:

10.1. Diseases in General

10.2. External Protozoans

10.2.2. Ich

10.2.3. Velvet

10.2.4. Epistylis

10.2.5. Chilodonella and Costia

10.2.6. Tetrahymena

10.2.7. Cryptobia

Synodontis nigriventris Upside Down Catfish
Synodontis nigriventris Upside Down Catfish

10.3. Bacterial Diseases

10.3.1. Skin Ulcers

10.3.2. Mouth Rot

10.3.3. Duck Lips

10.3.4. Fin Rot

10.3.5. Saddleback

10.3.6. Red Blotches

10.3.7. White Eyes

10.3.8. Pop Eyes

10.3.9. Red Gills

Sturisoma panamense Royal Whiptail Catfish
Sturisoma panamense Royal Whiptail Catfish

10.4. Tuberculosis (Fish TB)

10.5. Hexamita

10.6. Flukes

10.7. Fish Saprolegnia or “Fungus”

10.8. Lymphocystis

10.9. Anchor Worms

10.10. Black Spot

Apistogramma cacatuoides Cockatoo Cichlid
Apistogramma cacatuoides Cockatoo Cichlid

10.11. Tapeworms

10.12. Nematodes

10.12.1. Camallanus

10.12.2. Capillaria

10.13. Pests in the Aquarium

10.14. Fish Lice

10.15. Dwarf Gourami Disease

10.16. Graphite Disease in Bettas

Stiphodon atropurpureus Neon Blue River Goby
Stiphodon atropurpureus Neon Blue River Goby

.

Return to Home Page and Main Menu

.

Aquarium Science Website

The chapters shown below or on the right side in maroon lead to close to 400 articles on all aspects of keeping a freshwater aquarium. These articles have NO links to profit making sites and are thus unbiased in their recommendations, unlike all the for-profit sites you will find with Google. Bookmark and browse!

.

Reader Interactions

Comments

  1. Dave says

    2024-10-30 at 5:33 pm

    In reply to Przemek …… I doubt enough would transfer to be of any good.

  2. Przemek says

    2024-10-27 at 6:17 pm

    I have one guppy with poped-eye and thin-rot. It seems that in Europe without prescripction it is possible to buy only skin ointments containing vaseline and triple antybiotic (Bacitracinum zincum, Neomycini sulfas and Polymyxini B sulfas) or just neomicin. Do you think it makes sense to shake one of this with water to extract antybiotics and use the extract to prepare food for the fish? Or mayby try to bath the fish in this extract? After all in humans it is used on skin…

  3. Dave says

    2024-01-31 at 11:23 pm

    In reply to RYudis …. I like the amoxycillin in the food. Just my preference.

  4. RYudis says

    2024-01-31 at 7:13 am

    In Indonesia, antibiotics that are easy to find are Enrofloxacin and Amoxicillin. Enrofloxacin is usually sold for fish and Amoxicillin is usually sold for humans, which one is better for treating gram-negative bacteria through food?

  5. Dave says

    2023-10-31 at 4:47 pm

    In reply to Nick …. There are no cross-indications that I am aware of.

  6. Nik Padolan says

    2023-10-31 at 4:22 pm

    Thank you for the information sharing.
    Maybe is a difficult task, but it will be nice to know which medicines (act. ingredients) can and cannot be used in the same time.

  7. Dave says

    2023-10-31 at 3:49 pm

    In reply to Ben z … Amoxicillin is still my go to medication for bacteria.

  8. ben z says

    2023-10-31 at 12:30 pm

    @Dave

    About fish medications… I saw enrofloxacin (Indonesian origin) selling online for around US$2.70 for one packet (10g). At that sort of price point, it’s definitely one of the antibiotics that, to paraphrase you, fish at SEA farms are swimming around in. Do you think that might partially explain why some fish appear to be very weak by the time they arrive at stores in the US/Europe? Hmmm…

    Also, there’s this thing called “Japanese yellow powder” that is sold quite commonly in Asia. According to one website, the active ingredients are Nifurstyrenate/ERUBAAJU in a ratio of 1 to 10. http://arowana10.blogspot.com/2010/01/japanese-yellow-powder.html

    I’ve never used it, but quite interested in what you think.

    Also, which antibiotics would you recommend a fish keeper stocks, assuming no issues with accessibility whatsoever? Your list put amoxicillin at the top, is that still your preferred first-line med?

Leave a Reply

Your email address will not be published. Required fields are marked *

Primary Sidebar

Translate

  • Home Page
  • 1. Aquarium Basics
  • 2. Aquarium Cycling
  • 3. Fish Food
  • 4. Temperature, pH, KH and GH
  • 5. Ammonia, Nitrite, Nitrate and Chlorine
  • 6. Filtration
  • 7. Filter Media
  • 8. Aquarium Filters
  • 9. Aeration
  • 10. Diseases
  • 11. Fish Disease Symptoms
  • 12. Treatment
  • 13. Stocking
  • 14. Equipment
  • 15. Planted Aquarium
  • 16. Aquarium Algae
  • 17. Aquarium Fish Selection
  • 18. Aquarium Maintenance
  • 97. Author

Copyright © 2025

  • Home Page
  • 1. Aquarium Basics
  • 2. Aquarium Cycling
  • 3. Fish Food
  • 4. Temperature, pH, KH and GH
  • 5. Ammonia, Nitrite, Nitrate and Chlorine
  • 6. Filtration
  • 7. Filter Media
  • 8. Aquarium Filters
  • 9. Aeration
  • 10. Diseases
  • 11. Fish Disease Symptoms
  • 12. Treatment
  • 13. Stocking
  • 14. Equipment
  • 15. Planted Aquarium
  • 16. Aquarium Algae
  • 17. Aquarium Fish Selection
  • 18. Aquarium Maintenance
  • 97. Author