
In that case, the creature will run to the bottom. Suppose your goldfish’s tankmates are incredibly aggressive. Those will force the goldfish to take on an uncomfortable U-shape. Direct InjuryĪ collision with the objects in the tank or violent conflicts with aggressive neighbors can cause irreversible injuries to the spine or the brain. The affected fish will also find it challenging to eat properly and will have no appetite. Those include constipation, in which the fish will also appear swollen. Some of the underlying causes responsible for the swim bladder disease may also bend your goldfish’s spine. The disease, which is more of a symptom than an actual illness, has been blamed on constipation, injuries, and poor tank conditions. If your goldfish is lying at the bottom of the tank, swim bladder disease might have robbed the creature of its ability to swim upward. When the swim bladder’s health is compromised, the goldfish will lose its ability to swim normally. The ailment affects the swim bladder, an organ that fish use to control their buoyancy.


Swim bladder disease is the most common cause of erratic swimming behavior among fish. Nevertheless, Tuberculosis can also manifest in goldfish and should be among your considerations. Fish that are relatively vulnerable to the disease are Neon Tetras, Gouramis, Black Mollies, and Anabantids. However, the most notable symptom is a curved spine.
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Once it manifests, the goldfish in question may show lethargy, scale loss, and skin inflammation. It can take months and even years to develop. The disease is caused by Mycobacterium Marinum and does not take root overnight. Like people, goldfish are susceptible to Tuberculosis. It may become more prominent once the goldfish reaches maturity. You may see it as the fish is born, although it mostly develops as the creature grows. That condition will force your goldfish’s spine to curve since it’s a disease involving the vertebra. Scientists were also able to link that condition to genetic mutations, such as the ptk7 in Zebrafish. Of all the diseases that could cause your goldfish to curve, Scoliosis is one of the worst.Ĭaused by inbreeding, hypoxia, poor tank conditions, and a Vitamin C deficiency, to mention but a few, scoliosis forces the spine to take on an ‘S’ or ‘C’ shape. Some are more dangerous than others, with the most prominent, including Scoliosis. ScoliosisĬurved spines and bodies are associated with several diseases.

If one or more goldfish in your tank is not only curved but also lying at the bottom, you should act quickly to identify the potential causes, which typically include: 1. This condition may, on the other hand, completely immobilize other fish.

Though, they tend to float at unnatural angles. The deformity is also a source of distress for the fish. Why is my Goldfish Curved & Lying at the Bottom?Ī curved or bent fish will lie at the tank’s bottom because its deformity prevents the creature from swimming correctly.
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I will also show you what steps you should take when this happens, including how to prevent the condition from occurring in other fish. However, goldfish may also appear curved and lie at the tank’s bottom due to Tuberculosis, swim bladder disease, nitrate poisoning, and vitamin E deficiency.Īs we proceed in this article, I will share a few other conditions that may force your goldfish to bend and frequent the bottom sections. Goldfish will typically present with a curved spine due to Scoliosis, a disease that forces their back to take on an ‘S’ or ‘C’ shape. Now, I am willing to share that experience so other aquarists will get it right. As the years passed, I learned how to deal with that issue and prevent it from recurring. For example, there were days when I saw my goldfish lying at the bottom with a curved spine. Over the years of fishkeeping, I’ve noticed quite a few odd phenomena. As an Amazon Associate, I earn from qualifying purchases. Disclosure: When you purchase something through my affiliate links, I earn a small commission.
