Can Fish Live Without Sunlight?

How can I oxygenate my water without a pump?

One of the easiest ways to aerate the water in your aquarium without a pump is to use a pitcher or cup.

Simply fill a pitcher or cup with the aquarium water, lift it up nice and high, and pour the water back in.

The water will pick up oxygen on the way down to the tank, thus inserting oxygen right into the water..

Can I leave my aquarium light on 24 7?

Tank lighting should be left on for no more than 12 hours per day. All fish require periods of darkness, similar to their natural aquatic environments. Leaving your tank light on 24/7 will result in the overgrowth of algae and possibly harm the fish.

How long can a fish survive without air?

about two daysFish can survive about two days without an air pump in completely still water. However, with the right kind of filter producing lots of surface water movement, an air stone may not be required at all.

Do fish get bored?

Fish get bored from time to time no matter where they are. Fish have emotions. You can piss them off, you can cultivate their depression, you can inspire their curiosity, teach them things they will demonstrate they either love doing, at don’t want to do at all…

Can LED lights kill fish?

The only way I can see that lights can affect fish is heat. LEDs give out a lot of heat. This heat cab stress out the fish and eventually kill them. … Check your tank temperature after one hour of LED usage.

Do fish watch TV?

Some fish seem to enjoy recreational activities, including watching TV or listening to music.

Do fishes need sunlight?

Unlike plants, fish do not have a biological need for light, so they require less. Natural sunlight at noon has a rating of 5500 Kelvin. How long should I keep my aquarium lights on? To provide animals and plants the lighting they need, 10 to 12 hours a day is sufficient.

Can fish live without light?

The fish do not need light and it is best that your turn it off during the night. Leaving the light on can cause stress to fish as they need a period of darkness to sleep. Too much light will cause algae to rapidly grow and make your tank look dirty. So the short answer is no, do not leave your lights on.

Can fish survive in dark?

Aquarium fish can rest at anytime, not only at night when it’s dark. Hence, the other reason fish need the said period of darkness is to simulate the diurnal-cycle, which all living things including animals are adapted to.

Do fishes sleep?

While fish do not sleep in the same way that land mammals sleep, most fish do rest. Research shows that fish may reduce their activity and metabolism while remaining alert to danger. Some fish float in place, some wedge themselves into a secure spot in the mud or coral, and some even locate a suitable nest.

Can a fish drown?

Can a fish drown? Not technically, but they can suffocate in water. Fish need oxygen levels in their watery home to be two parts per million – or more – to survive. Without it, they suffocate (what some people refer to as drowning).

Is it cruel to have a fish?

If you take care of the fish in a particularly clean and safe environment, it isn’t cruel. If you take care of the fish like any other pet, like you would a cat or a dog it is not cruel. … Small fish tanks or worse yet fish bowls are cruel to most species of fish. No fish should ever live in a fish bowl.

Do fish like LED lights?

Fish are not as reliant on light as plants. In general, aquarium owners can use incandescent, fluorescent, or LED lights for fish but should be aware of the heat issues that incandescent lights cause. … LED lights produce virtually no heat and come in many colors.

Do fish like music?

It has been established that, even though underwater, fish can detect both the actual sound of music and the sound waves that ripple through the water. Concerning this attention to sound, it’s noticeable that: Fish are attracted to certain sounds and vibrations and not to others.

Do fish like being stroked?

According to Balcombe, some fish (though certainly not all) do actually enjoy being touched by humans. … One study involving surgeonfish found that fish who had been subjected to stress spent more time in contact with a mechanized wand that stroked their bodies than unstressed fish did.