How is my fish still alive?

For most fish, you can tell by looking at the gills. If they’re moving, your fish is still alive. Some species, such as bettas and labyrinth fish, breathe by gulping in air at the surface with their mouths instead. Another way to tell if your fish is dead or close to death is to look at its eyes.

Why are my fish just staying still?

One common cause is improper water temperature. If your fish’s water is too hot or too cold, they will be very inactive. Check your heater and verify that your aquarium is at the right level. Other possible causes are overfeeding and improper water quality.

Why is my fish not moving but still alive?

The impaired buoyancy in fish is caused by a malfunction of their swim bladder. When affected by Swim Bladder Disorder fish will often lose the ability to properly swim. They will float uncontrollably to the top of the aquarium, turned upside down, while still being alive.

Why is my fish alive but laying on its side?

If your goldfish is swimming sideways or upside-down, it may have swim bladder disorder. Constipation, enlarged organs, or infection can all cause the swim bladder to stop functioning properly. Swim bladder disorder refers to issues affecting the swim bladder, rather than a single disease.

Does a dead fish float or sink?

Most fish are slightly denser than water, so sink immediately after death. However, like a drowned human, they become more buoyant over time as bacterial decomposition produces gases inside the body. Usually, enough gas builds up in body cavities to make the corpse float, like an inflated balloon.

How can you tell if your fish died?


Quote from video: Instead another way to tell if your fish is dead or close to death is to look at its. Eyes. If they appear sunken or cloudy your fish is likely dead or dying.

Why is fish staying on bottom of tank?

When the water temperature inside your aquarium drops too low, your fish might lay motionless at the bottom of the tank to conserve energy. On the opposite spectrum, if the water temperature rises dangerously high, fish will stay on the bottom because that’s where oxygen levels will be higher.

How do I add oxygen to my fish tank?

Increasing water movement is the quickest way to increase oxygen (O2) levels in a fish tank, as it allows more O2 to dissolve and carbon dioxide (CO2) to be released. This can be easily done using an air pump, performing large water changes, manually stirring the water, or placing a fan near the aquarium.