Flushing is tempting and quite hygienic, though we doubt your local water board will appreciate various exotic fish species potentially blocking their soil pipe network. Binning is an option, though hot days will mean an awful smell, flies and maggots. Seal the corpse in a polythene bag to avoid this — though the smell will still escape!
Burial is safe and may be a good option for larger fish to avoid rotting corpses in bins. Incineration via bonfire is also possible, though you will then be left with debris. Generally, small fish like Neon tetras and smaller are quite short lived, whereas large catfish and cichlids are long lived. So if you have say 50 assorted small fish, all added at different times, you may lose a dozen a year for various reasons. It depends on what the cause of death was.
If the water quality was perfect and all other fish, including members of its own species, appear OK and look free of disease you could restock within a week. Add a few fish each week and observe behaviour. Features Post The World's forgotten fishes 16 August Features Post How to set up a low maintenance aquascape at home 04 August This can happen due to poor water circulation, gill damage, or toxins in the water. To revive your fish, just take your fish in your hand and hold it near the air stone.
The oxygenated water will help to put life back into your weak fish. First in general, neons are not active fish, nor boisterous, but sedate and quiet. However, once they are settled in the aquarium they may take several days to settle to a new home they should come out more than what you describe. Table of Contents. Create a special monument. He told me that seeing one fish eat another actually means very little. Other fish in the tank will quickly take advantage of the situation when a fish dies.
Even a fish that is still alive but is very weak or sick will be picked on by his tank mates. If food presents itself in any form, they will eat it. There are fish that are known as social fish , these can even become aggressive. They do not generally have territories, but they will fight for positions in a group. This is what can start the fish killing. It may only start with aggressive behavior, or harassment, or damage, but can end in a fish killing.
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. Any dead fish should be removed, as its body will quickly rot in the warm, bacteria-laden water. A corpse will pollute water, risking the health of other fish in the tank. If it died from disease the last thing you want is other fish consuming its body parts, so remove immediately.
The cause is more complex than that. Over time the by-products of fish waste, uneaten food particles, dead leaves from plants, etc. When a sudden, large water change occurs, it causes such a drastic shift in the makeup of the water that the fish often cannot tolerate it and they die. While they may not be abstractly aware of their demise, all vertebrates have a nervous system and experience pain and stress. Even animals that do not have self-recognition have been known to go to great lengths to attempt to survive.
So, yes, your catfish can eat up other fish in the tank if they are smaller in size. What happens is that the catfish population will seemingly increase while other smaller fish species in the same river tend to diminish in their numbers. To be on the safe side, if you plan to raise other fish with the catfish, ensure they are not very small fish species to guarantee their survival and the safety of their young after hatching. Save my name, email, and website in this browser for the next time I comment.
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