Q&A for How to Feed a Pleco

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  • Question
    Is it okay for my Pleco to eat fish flake food?
    Community Answer
    It's fine, but it would be best if they also ate some algae, raw vegetables, and meat once in a while.
  • Question
    Why is my Pleco sucking on other fish in my tank?
    Community Answer
    This could differ depending on the breed of Pleco. However, some Pleco will resort to "feeding" on fish when they are not having their nutritional needs met. Some Pleco require protein or meat in their diet. When they are starved of proteins, they will seek this from other inhabitants via their slim coat. Once a Pleco gets a taste of slime coat, it is difficult to transition them back. However, try feeding your Pleco at night time just before the lights go out. It may be that other inhabitants in the tank are eating the food source provided before the Pleco gets its fair share.
  • Question
    What type of item can I use to attach seaweed in place in my aquarium that will not make a mess for Pleco?
    Titans - Gaming and more
    Community Answer
    Anything sinking will work, such as a marble, and be sure to feed them at night.
  • Question
    Do I need to put the whole shrimp in, or cut them in pieces?
    Community Answer
    Cut them in pieces. They are easier to eat this way, and good for its health.
  • Question
    I have 4 Plecos in a 10 gallon tank. What size tank is going to be appropriate for them?
    Community Answer
    This depends on several factors, such as the species of Pleco, the filtration system you are using and whether or not you are plan on adding additional fish to this tank.
  • Question
    Why is my Pleco sucking other fish (like my carp)?
    Community Answer
    It may be cleaning the algae or any parasites off them so they don't get sick from it.
  • Question
    There is a long string-like thing coming out from under my pleco. Is it poop?
    Community Answer
    It might be poop, although if it's white, it might be a parasite. Keep an eye on your pleco and make sure he is OK.
  • Question
    Can I keep my pleco with tinfoil barbs?
    Emily Greenslade
    Community Answer
    Plecos are pretty peaceful fish, so it won't be a problem unless your tank is overcrowded; then a fight might occur and your barbs will likely gang up on the pleco.
  • Question
    Can my pleco eat apple?
    Community Answer
    Yes, but it contains a lot of sugar, so I would give it only as a treat as rarely as possible.
  • Question
    When blanching veg for plecco, can I use tap water, or does it need to be treated?
    Community Answer
    You can use tap water.
  • Question
    What can I feed my pleco if I go on vacation?
    Pristineprestige
    Community Answer
    Place a pleco tablet in the tank before you leave. If it's still there when you return, remove it with a net to prevent mold and excessive algae growth.
  • Question
    Is it for sure they will jump out? I don't have a lid on my tank at all but my pleco is only about 3 inches.
    Julia
    Top Answerer
    It's uncommon for a pleco to jump out of an aquarium, but it can still happen. Keeping a lid or other cover on the tank can help prevent any accidents from occurring.
  • Question
    Can I feed my pleco tangerines ?
    Em Davis
    Community Answer
    It is best to avoid giving your pleco acidic foods, or foods with high citrus, like tangerines, oranges, tomatoes, pineapple, etc.
  • Question
    My pleco isn’t eating its algae flake when I put it in, is it just waiting for it to be dark or is it just not seeing the flake?
    Em Davis
    Community Answer
    Plecos are primarily nocturnal, so it is more common for one to become active and eat during the night. If the flakes are gone in the morning, and you are sure they are not being consumed by other tank inhabitants, it is safe to assume they were eaten.
  • Question
    Can I put a disposable cup in my tank so that my plecos can hide?
    Em Davis
    Community Answer
    It should be safe to put disposable plastic cups in your tank, as long as they are properly cleaned. That being said, a more natural hiding spot, (rock caves, log structures, etc.) can better resemble their natural habitat, and give your tank a more clean and more appealing look.
  • Question
    I have an 11 inch pleco that was living in my goldfish pond. I brought him in for the winter. How do I get him to eat algae wafers? He is used to eating algae in the pond, and not wafers.
    Em Davis
    Community Answer
    Plecos will naturally use their senses to find any available food in the tank. As long as they are fed an appropriate diet while inside, it should not be a concern.
  • Question
    Can I offer my plecos a carrot?
    Em Davis
    Community Answer
    Carrots can be fed to plecos as long as they are properly blanched first, though some don't prefer them.
  • Question
    I have a 25 gallon tank, so what's the lowest water level a green phantom pleco can live in?
    Em Davis
    Community Answer
    Green phantom plecos reach over half a foot when fully grown, so the minimum tank size for an adult is 30 gallons. If you choose to keep one in a 25-gallon, be prepared for an ammonia spike. Plecos produce a large amount of waste, and the idea that they will keep your tank clean is a myth.
  • Question
    My plecos have been eating cucumbers for years. Why would they be poison?
    CamroWilso 36
    Community Answer
    I don't know who told you they were poison, but I've never had an issue. I find that Plecos can easily digest cucumbers, and they provide them with essential nutrients, including minerals, vitamins, and antioxidants. Alongside cucumbers, their sinking pellets and algae my plecos are more than happy in the tank.
  • Question
    What species of pleco is appropriate for a 10 gallon community tank?
    Community Answer
    None. Plecos are poop machines and the majority can grow pretty big. If what you’re wanting is an algae eater, a group of otocinclus, shrimp, or snails are the better choices.
  • Question
    How can you tell if you have a male or a female pleco?
    KAELIN CARLSON
    Community Answer
    Size: female plecos are generally larger than male plecos. Body shape: female plecos have a more rounded abdomen, especially when breeding. Meanwhile, male plecos look skinnier and more elongated. Bristles: male plecos usually have longer and more pronounced bristles at the front of their pectoral fins and the edges of their heads and mouths.
  • Question
    Can I scrape the algae off the top glass of my tank and give it to my pleco?
    Caysen Chen
    Community Answer
    Your pleco will usually eat the algae directly from the glass or decor in the tank, so there's no need to scrape it off. If there isn't enough algae, you can feed them algae wafers or worms.
  • Question
    Can I feed a pleco fruits and vegetables?
    Caysen Chen
    Community Answer
    Yes, but make sure they are fresh to avoid them rotting and making the fish sick.
  • Question
    How can I stop other fish from eating the pleco's wafers?
    Caysen Chen
    Community Answer
    You could temporarily isolate your pleco during feeding time and then return it to the main tank once it has finished eating.
  • Question
    Is it okay to feed my 8-inch common pleco blood worms daily since it's being fussy and refusing pellets?
    Caysen Chen
    Community Answer
    Yes, it is normal for young plecos to be picky. Eventually, it will start eating more algae.
  • Question
    When I go on a week-long vacation, what do I feed my pleco? Do I place enough algae wafers in the tank for 7 days?
    Gini Pug
    Community Answer
    No. If you do that, your pleco might eat them all at once and you'll get an ammonia spike. Get someone to feed your pleco while you're on vacation.
  • Question
    What raw vegetables should I feed my pleco?
    Community Answer
    They usually enjoy eating cucumber, zucchini, and peas. You can try these out, and see if your pleco enjoys them.
  • Question
    Can common pleco eat apple?
    Community Answer
    Yes, but only feed this as a rare treat because it is high in fruit sugars.
  • Question
    What is the best time to feed them?
    Community Answer
    Once every day and depending on the size you may want to put in a few algae tablets. Pet stores typically sell sized tablet. So small, medium, and large for small, medium and large plecos.
  • Question
    My pleco is older. I have tried to feed it cucumbers and zucchini but it seems it is not interested. I have left it in for two day and nothing. How can I get an older pleco started on these veggies?
    Community Answer
    Use algae wafers or any algae-based food and slowly progress to veggies.
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