Goldfish ich is also known as white spot disease, and it is common in many types of fish including goldfish. It is a tiny little parasite that gradually covers the body and fins of your goldfish until they look like they’ve just come out of a snow-globe.
Let's understand Ich Goldfish Lifecycle
Ichthyophthirius multifiliis, also sometimes referred to by "ick" because of its pronunciation, or "white spot," is a common protozoan parasite that affects goldfish as well as many other types of fish. Ich is typically introduced into the environment when new fish carrying the parasite are added to the tank. Here's how this parasite's life cycle works:
When conditions are right, the parasite attaches to a host fish, burrows under the scales and begins actually feeding on the fish.
A cyst forms over each point of entry, and this is typically the first sign of infestation.
Once the cyst has formed, it drops off the fish and drifts to the bottom of the tank where the ich parasite multiplies inside its encapsulated environment.
The cyst eventually bursts, and a fresh batch of ich parasites are released in the tank.They then seek out a host fish, and the entire cycle begins again.
What causes Ich?
Since ich is so common, it's almost always present in any tank environment. Healthy fish are usually able to fight off these parasites, but fish that live in compromised conditions are more susceptible to infestation. Anytime a goldfish is living in a less-than-ideal environment, it is subject to stress. Stress has an adverse effect on the immune system and weakens its ability to fight off disease. The following conditions can stress a fish and create the ideal conditions for an ich infestation:
Poor water quality
Incorrect water temperature
Transporting the goldfish (from breeder to shop to new home)
Adding new fish to the tank (which are likely bringing ich with them)
OvercrowdingPoor/improper diet
Prior illness or injury
What are the early symptoms?
The signs of a goldfish ich infestation are easy to spot, and it's important to catch them as quickly as possible in order to save the affected goldfish.
Ich appears as small white spots on the goldfish's body, gills and fins. These are the cysts that eventually detach as part of the life cycle process, and they are the most obvious sign of infestation.
The fish seems irritated and will rub its body against the tank to try to rid itself of these pests.
As the infestation progresses, the goldfish's condition deteriorates. Its scales and eyes become dull, and its fins become damaged. The will develop difficulty breathing and will also loose interest in eating. If left untreated or not treated in time, the fish will eventually die.
Treating Ich on Goldfish
Treating goldfish ich can be a little tricky because the parasites are only vulnerable during their free-swimming stage.
Raise Goldfish Tank Temperature: The first step is to raise the temperature in the tank in order to speed up the life cycle of the parasites. Goldfish typically prefer cooler temperatures, but you'll need to temporarily raise the tank's temperature to no more than 77 or 78 degrees Fahrenheit for about 48 hours. This will encourage the cysts to mature faster and break open. This releases the ich parasites, known as to-mites at that stage of development, and they are then vulnerable to treatment.
Treat Goldfish Ich With Seachem Metroplex: The next step is to add Seachem Metroplex (metronidazole). It is very important with this parasite to continue dosing for the full treatment period of 14 to 28 Days. A break in the medication allows the parasite to multiply and reinfect the fish. Due to the nature of this parasite, it is normal for the visible signs of infection to get worse before they get better. The medication is still working, but it takes some time for the salt-like cysts on the fish to clear out. Keeping up the treatment would clear the visible spots soon.
Follow Package Directions: No matter which treatment you decide to use, follow the directions on the product to the letter to ensure the best results. You'll need to remove any carbon filter cartridges from your filtering system because they'll begin removing the medication as soon as you add it to the tank.
Keep Pristine Water Quality: Keep up with 30% two times a week. The better the water quality the sooner your fish would heel.
Feed High Quality Diet: If your fish is eating, refrain from feeding live food as they could be carriers themselves. Feed you fish sinking pellets pre-soaked in garlic water in the morning and blanched broccoli, spinach, kale, etc in the evening.
Prognosis for a Goldfish With Ich
It's possible to cure a case of goldfish ich if you manage to catch the infestation early enough, although it may take a little time for your pet to regain complete health. Goldfish ich doesn't have to be fatal, but if you fail to treat the infestation, your fish will eventually die. So, make it a point to take a good look at your goldfish at every feeding, and provide treatment the moment you see those telltale cysts.
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