
What Should I Feed My Otocinclus?
- algae wafers.
- cucumber.
- zucchini.
- spinach.
- lettuce.
- kale.
- cabbage.
- bell peppers.
- yellow squash.
- brussels sprouts.
- peas/beans (de-shelled).
...
Feeding Otos: “a Fat Oto is a Happy Oto”
- Brussel Sprouts.
- Romaine Lettuce.
- Spinach.
- Zucchini (Courgette)
What should I Feed my Otocinclus?
Here are a few tips to consider when feeding your Otocinclus: Don’t remove the uneaten vegetables right away. Wait 4-12 hours. Blanched vegetables are messy to remove. Offer them before water changes or vacuum sessions. Place larger foods in central areas. De-shell peas and beans for better digestion.
What can I Feed my Oto fish?
We can supplement an oto's diet with vegetables from the supermarket. Every fish is different, and some will flock to one vegetable type and shun another. It's important with all vegetables to wash them completely and make sure they are free of pesticides. Some of the more common vegetables to feed:
Can Otos eat algae wafers?
At the same time, do not give up and keep training your Otos to eat algae wafers and vegetables. Give them time to learn that this can be a food source for them. For example, break one wafer into several pieces and leave them in their favorite places overnight.
What fish should not be kept with Otocinclus?
Some tank mates to avoid are Cichlids, Goldfish, Jack Dempsey, and Oscars. They should never be placed in a tank with Otocinclus. Otocinclus is the only fish in a community tank that is absolutely safe to keep with shrimp.

What do I feed my Otocinclus?
An Otocinclus feeds on soft algae buildup growing on hard surfaces of the tank. That's why its important to make sure the tank is clean, but not “too clean”. Otocinclus food can also include supplements such as algae wafers and even some fresh vegetables like green zucchini slices.
How do you feed OTOS zucchini?
0:184:45Feeding Otocinclus and Farlowellas - Blanching Veggies and DietYouTubeStart of suggested clipEnd of suggested clipAnd I've pre-cut the zucchini into fairly thick slices. I like that personally because it sticksMoreAnd I've pre-cut the zucchini into fairly thick slices. I like that personally because it sticks better on the bamboo skewers that I use those guys live over here.
How often should you feed Otocinclus?
You should feed an otocinclus two to four times a week. Despite its reputation as an algae eater, an otocinclus cannot live on algae alone. Sometimes, a stable and well-cycled tank may not be able to produce enough soft algae to sustain an otocinclus.
How do you keep OTOS alive?
YES!! Just remember to: Put them in a peaceful community tank. Keep those water parameters healthy. Give them plenty to eat (algae wafers are a great supplement) Add some live plants--they'll love it!
What veggies do OTOS eat?
Otos love to constantly graze on soft green algae growing on your substrate, decorations, aquarium glass, and plants. You don't want to confuse soft green algae with Green Spot Algae....You can also supplement their diet with blanched vegetables:Brussel Sprouts.Romaine Lettuce.Spinach.Zucchini (Courgette)
Do Otocinclus need to be fed?
Otocinclus are herbivores and they need to be constantly grazing on green matter in order to survive. Most tanks do not have enough algae to sustain a group of otocinclus so it is up to the fish keeper to provide supplemental food on a consistent basis.
Can otocinclus eat cucumber?
0:356:52How to Feed Cucumbers to Shrimp and Otocinclus - YouTubeYouTubeStart of suggested clipEnd of suggested clipIt they're all over the place. And just given that the cucumber. Itself if you slice it the way IMoreIt they're all over the place. And just given that the cucumber. Itself if you slice it the way I did it just provides a much bigger. Surface.
How many otocinclus should be kept together?
Otocinclus Catfish Tank Mates How many otocinclus catfish should be kept together? We recommend at least 4-6. Just be sure that your tank is large enough.
Will Oto catfish eat shrimp?
1:423:46Are Otocinclus Catfish Shrimp Safe? - YouTubeYouTubeStart of suggested clipEnd of suggested clipYes they're not 100% shrimp safe as they might pick off the old shrimp. But they will leave yourMoreYes they're not 100% shrimp safe as they might pick off the old shrimp. But they will leave your adults.
How long can Oto catfish go without food?
A healthy, grown-up aquarium fish can go from 3 days to 1 whole week, without eating any food. Some fish species can even live for more than 2 weeks without eating. Whether in nature or in an aquarium – an adult fish has sufficient body mass and fat reserves to skip a couple of meals once in a while.
Are otocinclus bottom feeders?
Another great bottom-dwelling fish is the Otocinclus. These little guys are pretty much the perfect low-maintenance fish for a freshwater tank. They're cute, easy to care for, and will methodically snack on any algae they find.
What type of algae do otocinclus eat?
soft green algaeThey specialize in eating soft green algae; often this algae is hard to see without looking closely for it. The otocinclus will eat it before it grows too long and gets out of control.
Will OTOS eat zucchini?
This fish is omnivores they like vegetable content, like zucchini and cucumber.
How do you feed cucumbers to OTOS?
0:146:52How to Feed Cucumbers to Shrimp and Otocinclus - YouTubeYouTubeStart of suggested clipEnd of suggested clipItself if you slice it the way I did it just provides a much bigger. Surface. Everybody can can kindMoreItself if you slice it the way I did it just provides a much bigger. Surface. Everybody can can kind of eat at the same time.
Can otocinclus be alone?
No, otocinclus cannot live alone. You should only keep otocinclus in groups. A small group of five or six otocinclus would feel right at home living in a 10-gallon tank. With that said, wild otocinclus usually live in groups that have thousands of fish, so the more otocinclus you keep in your tank, the better.
What to feed otocinclus before laying eggs?
Some spawning reports spoke of feeding brine shrimp and blood worms to otocinclus prior to them laying eggs. I will most likely try this out on some of my own and see if they go for the worms or shrimp. Perhaps this is a trigger for the fish to begin spawning... ingesting protein-rich food.
What do otocinclus eat?
The main food of Otocinclus is algae. They will eat the soft green algae that grows on the surfaces of the tank and its contents. This surfaces include the inside of the tank walls, gravel, decorations, and plants. This soft algae isn't to be confused with green spot algae that you can barely get off with a razor blade.
What is the food of otocinclus catfish?
It seems that algae is the preferred food of otocinclus catfish. If they ignore all the other types of food you offer in the tank, there is a chance they may be getting enough from the algae itself. It's a good idea to first give them a while to notice what you've left in the tank as food, don't remove it right away.
Can otocinclus eat green algae?
This soft algae isn't to be confused with green spot algae that you can barely get off with a razor blade. It's obvious that the rasping power of the otocinclus mouth isn't strong enough to remove that type of algae. They also eat brown diatom algae, which is common in newly setup aquariums.
Is an otocinclus happy?
As mentioned in the introduction page... a fat oto is a happy oto. An otocinclus should never be gaunt or have a skinny stomach. If it does look skinny, then something is wrong. Otocinclus are herbivores and they need to be constantly grazing on green matter in order to survive. Most tanks do not have enough algae to sustain a group of otocinclus so it is up to the fish keeper to provide supplemental food on a consistent basis.
Can otocinclus eat sinking food?
The most important thing to pay attention to when feeding sinking foods is that there can't be any major competition for these algae tablets.
Can otocinclus eat rainbowfish eggs?
That's right, an egg! It was partially hanging out of its mouth, by a thread. Then in one quick motion it slurped up the egg and ate it. Yum! This may mean that otocinclus can digest protein, and even seek it out in certain circumstances.
What to feed otocinclus?
Daphnia, algae wafers, and brine shrimp are all excellent food choices when you wish to breed your Otocinclus. Your mating tank should be at least 80 liters (20 gallons) to be able to hold all the soon-to-be-born fry. Otocinclus lay eggs all around the tank on plants.
What do otocinclus eat?
Otocinclus are herbivores. In the wild, they primarily eat algae and slime ( biofilm) that builds up on rocks and plants. Therefore, it’s important to keep live plants in your aquarium to encourage algae growth and leaves for the biofilm growth.
What is the difference between Otocinclus macrospilus and Otocinclus vitt
Otocinclus macrospilus looks very similar to Otocinclus vittatus. The main difference is that its sidelines do not reach the caudal fin. In addition, some Otos of this species have yellowish body thus are often called the Golden Otos.
How big is a otocinclus fish?
This is a very small fish. They can measure between 4 and 5 centimeters (1.5 – 2 inches) in length and have an elongated shape, rounded on the back and flattened ventrally. The head is slightly flattened, with the eyes on either side, giving Otocinclus lateral vision.
How to mate otocinclus?
Separate the male and the female from the other fish. Otocinclus do not typically mate easily but a high protein diet can influence your fish into mating.
Why is my oto fish sick?
Most issues with Oto are due to an unclean tank and a poor diet. If your fish are sick, you can tell by a change in appetite, inactivity, or increased respiration. The fish may also change colors and produce spots.
How long does it take for an oto to cycle?
To cycle your tank takes anywhere from 4 weeks to 2 months. To start your cycle, drop fish flakes into your aquarium about every 12 hours. These flakes will decay, and Ammonia will be produced.

Introduction
- As mentioned in the introduction page... a fat oto is a happy oto. An otocinclusshould never be gaunt or have a skinny stomach. If it does look skinny, then something is wrong.Otocinclus are herbivores and they need to be constantly grazing on green matter inorder to survive. Most tanks do not have enough algae to sustain a group of otocinclusso it is up to the fish keeper to provid…
Soft Green Algae
- The main food of Otocinclus is algae. They will eat the soft green algae thatgrows on the surfaces of the tank and its contents. This surfaces include the inside ofthe tank walls, gravel, decorations, and plants. This soft algae isn't to be confused withgreen spot algae that you can barely get off with a razor blade. It's obvious that therasping power of the otocinclus mouth isn't strong enoug…
Prepared Foods
- There are products out there which people have tried with some success. One of themost common types are Algae Waferswhich are sold in most stores. Hobbyists have often reportedthat their otos go for these on a regular basis. This may be a good food to use while acclimatingthe otocinclus to your tanks. The most important thing to pay attention to when feeding sinking foo…
Green Veggies!
- We can supplement an oto's diet with vegetables from the supermarket. Every fish isdifferent, and some will flock to one vegetable type and shun another. It's importantwith all vegetables to wash them completely and make sure they are free of pesticides. Someof the more common vegetables to feed: 1. Zucchini (Courgette) 2. Brussel Sprouts 3. Romain...
Protein
- I once saw an otocinclus eat a rainbowfish egg. That's right, an egg! It waspartially hanging out of its mouth, by a thread. Then in one quick motion it slurpedup the egg and ate it. Yum! This may mean that otocinclus can digest protein, and even seek it outin certain circumstances. This might also explain why there are sparse reports of otocinclus attaching onto largerflat-bodied fishes (s…