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Tips For Breeding Plecos in your aquarium

Plecostomus ( Aka ) Plecos are popular fish in the aquarium hobby. They are scavengers known for their ability to eat algae and other waste. Pleco breeding is not as difficult as it seems. If you follow these steps, you can breed most types of plecos in your aquarium. plecos need a spacious tank with strong filtration. The reasons for this are simple – they need space, and they tend to be prolific poopers. Much of their life seems to consist of searching for food, eating the food, and then searching for more. Because of this, they are prodigious poop producers, and if the water isn’t well filtered, the water quality will quickly plummet.

All you need is a pair of adult plecos interested in mating and a tank large enough for them. When the temperature gets cooler, somewhat close to the average temperature of Amazon in the rainy season, the mating will start. You can also consider adding some cool water to replicate the mating season.

Step 1: You need to make sure that the tank is set up well with plants, driftwood, and rocks. The tank should be at least 20 gallons for one pleco or 10 gallons for two. The water should be filtered and cycled with live plants, which will also help to remove nitrates from the water column.

you will probably want to add a variety of different size caves, rocks and driftwood to your Plecos’ habitat. Once males mature, they will claim a territory that is most suitable for spawning.

Breeding conditions are fairly simple in fact, the normal aqaurium habitat with frequent water changes and Water Temperature: Between 60 and 80 degrees Fahrenheit. is nearly ideal. To encourage spawning behaviour. Once the male has chosen a “cave” to breed in, it will meticulously clean the sides and attempt to attract the female into the cave. If the female is enticed in by the male, it will deposit eggs on the side of the cave, and the male will then set about guarding the eggs until they hatch.

Step 2: Don’t forget to feed your pleco abit more than usual at this time because the male is going to soon be in and out of the selected breeding cave. You should feed your plecos a varied diet of vegetables like lettuce, cucumber, zucchini, spinach, peas and carrots every day or every other day. when ready he will protecting his eggs for over a week. By Feeding more and Doing Daily Water Changes helps to encourage spawning behaviour within the tank. It is also recommended to have a pH: Somewhere in the 6.5 – 7.5 range.

Things You Can Feed Your Pleco.

Food & Diet

In their natural habitat, Bristlenose Plecos have a lot of variation in their diet. They spend their time sifting through the bottom of the stream and survive mostly on plant-based materials. Sometimes, they may also cling onto plants to eat algae or feed on tiny insect larvae.

In captivity, much of that same dietary behavior remains. Algae is their primary source of food (you can give them algae wafers if you don’t have a lot of natural algae in your tank). With that being said, you still need to supplement their diet to keep them healthy.

Some aquarists like to give their Bristlenose Plecos natural foods. Blanched vegetables like peas, cucumbers, zucchini, carrots, and such are great options. The fish will feed off them slowly and can take advantage of the nutrients they have.

One of my biggest and most favourite things to Feed my plecos to encourage spawning behaviour is Live Baby Brine Shrimp… You’ll be surprised how much they love it especially my Hypancistrus. The nutrition in the egg sacks is great for your plecos to Feed on. That being said if you would prefer somthink else I’d suggest trying Repashy Fish Food this is amazing for all types of plecos and my Ancistrus devour this.. I’ve yet to see any plecos turn away from it when feeding time they absolutely love it. But here is a list of a things to Feed your pleco

  1. Cucumber

  2. Peas

  3. Courgette

  4. Lettuce

  5. Zucchini

  6. Carrots

  7. Baby Brine Shrimp

  8. Repashy

  9. Sinking Pellets

  10. Alge / veggie waffers

But you can always experiment and try different fruits and vegetables, and they will also greedily accept broccoli, lima beans and a wide array of other vegetables. With that being said, they should never be fed any acidic fruits or vegetables (oranges, grapefruit, tomatoes, etc.)

The Value Of Driftwood And Plants

Another great option is to put a piece of driftwood into the tank. Driftwood is excellent for algae growth. It doesn’t take long for the wood to be covered in the green stuff.

Your Bristlenose Plecos will eat the algae right off. While they do this, they’ll also be consuming plenty of fibrous material to keep them healthy.

If you have live plants in their environment (like hornwort or Java moss), they may also cling onto leaves to eat the algae. Usually, the Plecos will not eat the plants. If they do, that means that they’re not getting enough food. So, consider increasing the frequency of their meals a bit.

You may want to keep a count of your male to female radio within the aquarium 1 male to 2 females is best to start with and then build up a group that are happy to breed together.. I would suggest 2 males to 5 female this would be my most recommended way to group your plecos for breeding.. you can always add additional and see how it gose but may encourage fighting between males in the aquarium.

How long does it take for pleco eggs to hatch?



More than one female can lay eggs in a male’s cave. The male will clean the eggs and the nest, and aerate them with his fins during the 4-10 days that they take to hatch.

If you are trying to save the fry and grow them out, I would pull them to their own tank. It is easier to observe them and make sure they are getting fed. I would think a 10 gallon is fine until they reach a certain size. I used a 10 gallon for my BN. If you just want to see if you can breed them, you can leave the fry with the parents. Eventually the tank may become overstocked, but I don’t think that would be immediately. Growth rates on most fry, in my opinion, are dependent on 2 main variables – how much they eat and how clean is the environment. If you want to grow fry fast, change water every day. I’m not a proponent of over feeding. Just feed normally and change lots of water.

Now You’re Ready To Go

Now that you’ve finished this guide you should have a much better understanding of Bristlenose Pleco care. These fun and peaceful creatures are rewarding to take care of, and want nothing more than to mind their business and live a healthy and happy life.

If you have any further questions about Bristlenose Plecos feel free to get in touch with us on social media or through our contact page. We have quite the soft spot for these little fish, and love chatting about them!

If you want to learn more about plecos then follow the links below.

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