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Do Bettas Need Light?


Q: A wrote,

Hi. I was wondering if I need a light for my betta tank. Will it hurt my betta if I don’t provide a lamp?

A: Bettas do have a natural cycle that revolves around day and night. Many of us replicate that cycle by providing a light hood or lamp. When darkness falls he will sleep, which is important for all animals to remain healthy. Ambient light from the room should be sufficient enough but if you are keeping him in an unusually dark location you may want to consider turning on a light or providing a light hood for 8 – 12 hours a day.

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Categories: Betta splendens
Maddy: Christie F is a Betta splendens hobbyist that enjoys spending time caring for her fish and helping new betta keepers learn the ropes.

View Comments (28)

  • Lights are a good idea anyhow, they also will help show off the betta’s natural colors.

  • I’m afraid not. Sure it’s economical and it taste’s good but oatmeal isn’t for fish.

  • HELLO,I HAVE A CROWNTAIL BETTA HIS NAME ZEN. I HAVE KEPT HIM FOR MORE THAN 2 MTHS.
    HE IS HEALTHY.DO YOU THINK IT IS IMPORTANT TO HAVE LIGHT AND SO MUCH FOOD FOR MY BETTA?

  • I found that my betta seems stressed after being in a pitch black room. Well, I think it's the fact that she becomes shocked when light in my room suddenly appears. So, I keep a small night light for her.

  • What if I use black light for my betta aquarium…would that be ok? The aquarium still gets natural light.

  • My little guy gets freaked out when the tank light is on and the room around him is dark. I think it's because he's in a hex tank and having the outside dark increases the reflectivity of the tank walls. Suddenly the master of the kingdom is being challenged by clones all around him. LOL. It is a pretty good way to get him to show off his flare though.

  • Hi i just got my beta today for my birthday its my first beta and i don’t know whats good and bad for it tips??

    • bettas are great pets they should have a light on at least half the day dont worry if your betta seems to get lonley dont worry if you put two together they will fight. for food i recomend pellets they are less messy. feed them two pelletes 3 times a week. have SILK plants in your tank not plastic the plastic plants will catch on your bettas tails and rip them. they also sleep on the silk plants its good to have a bubbler it helps them breathe. have rocks in the bottom of your tank. make sure to buy betta conditioner tap water is bad for them. make sure the water is room temp. when you clean your tanks take the betta out empty half the water out of you tank then refill it with room temp water put a bit of fish conditioner in the tank. the good bacteria from the old water wil eat the bad bacteria from the new water. have fun with your fish.

  • If my bettas tank is in front of a window (but on the opposite side of the room) in a well-lit room, would he be alright without a light? I prefer them myself, but thinking about having a custom tank made where I am unsure of how I’d fit lights.

  • I just got my female betta from a white elephant party. is it true that your tank should be big? do i need to put plants in it? anything i should know or not do?

    • always have plants!!!!! make sure their silk plants though if their plastic the bettas tails will get caught and rip their tails