Fish Health - Mouth Cancer

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I and others are trying to isolate the main culprit, not the secondary invader columnaris.

moth cancer in fish

mouth cancer in fish
99% of these infection start from a mechanical injury - see mechanical injury e.g. bricks/rocks/decking/plant baskets/un protected jubilee clips/pampas grass growing into water. skimmers, (chagois)/ gravel in pond bottom/ outlet pipes just under water surface/ poor netting of fish. treatment I have tried everything and I mean that every drug known to fish keeping.

NO injection works, the only product that works is vit C in every meal for 3 months, and that does work every time. I have not had a failure provided it's caught early.

I had a 30in chag brought in with it's upper and lower mouth affected, right back to nasal passage and under side nearly to the gill covers. After treatment all had grown back although scared.

The wound must be cleaned with iodine (keep away from gills and throat). What you see in these pictures fish is well beyond treatment, but you would be surprised how many fish get to this stage before the problem is noticed. These pictures were sent to me by a client who checks his fish every day, but it's a very large pond 20,000gal.

I have found fish as advanced as the ones in the pictures in small koi ponds of 1000gal and who have diligent owner. The best way to check is when the fish are feeding - if they cannot take pellets off the surface - if food comes out the gills or if they will not feed when other fish are about. And there's many more.

If your fish are like mine, they'll will climb out pond when being fed, then its still not 100% as

In spring and autumn columnaris may be in the cut, but does not seem to do much damage. There's a bacterium, or it may be it's a cocktail of bacteria, which eats away the fishes flesh and cartilage, but at this moment in time I and others have no idea - that's why its called mouth cancer - because like columnaris, fresh water anthrax dissolves tissue to feed on it but columnaris is not found in enough abundance to warrant the damage done to the fish's tissue.