
Feeding Otocinclus Catfish – 3 Easy Tips on What to Feed an Oto
- Otos love to eat fresh vegetables. Veggies such as spinach, romaine lettuce, parsley, cucumber, zucchini, green...
- Another food that you can feed your Otocinclus that they love is frozen bloodworms and brine shrimp. These are a good...
- A third great option is algae pellets and flakes. These are...
What do Otocinclus fish eat?
Therefore, you should also be sure to feed them algae wafers or catfish pellets. It’s crucial for them to eat frequently, so food needs to be available almost all the time. Some supplemental foods to give your Otocinclus may include blanched zucchini, spinach, peas, and cucumber.
What can I Feed my Otocinclus instead of algae wafers?
If you can’t cut up, freeze or boil vegetables for your Otocinclus every single day, then substitute them for algae wafers. If you offer these foods at night, your Otocinclus will be alert and active enough to find it at the bottom of the tank while its tankmates are asleep. Make sure these vegetables sink to bottom. Frozen slices sink faster.
How often should I Feed my Otocinclus?
You should offer vegetables, algae wafers, sinking vegetable flakes or pellets. Try feeding them once a day and remove leftovers. Some Otocinclus prefer to eat at night when the tank is peaceful. How Often Should I Feed My Otocinclus? Try to come up with some sort of vegetable offering once per day.
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:

How much should I feed my 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.
What veggies can you feed Otocinclus?
Feeding Otos: “a Fat Oto is a Happy Oto”Brussel Sprouts.Romaine Lettuce.Spinach.Zucchini (Courgette)
How do I get my Otocinclus to eat?
4:0514:58Feeding Your Otocinclus - Why and How to Feed your Vegetarian FriendsYouTubeStart of suggested clipEnd of suggested clipIf you don't want to go to that sort of effort what you can also do is just cut them up put themMoreIf you don't want to go to that sort of effort what you can also do is just cut them up put them into a glass of water that you sit on top of your aquarium for a day or two let.
Can Otocinclus starve?
Most Otocinclus are wild-caught. Since they are vegetarian and need to eat almost constantly, mortality rates are high in transit. They may be starving by the time they get to the pet store, where they are often fed unsuitable food.
Do Otocinclus eat leaves?
The Otocinclus is a dwarf sucker-mouth catfish that only grows to be about 2 inches long. This little guy loves nothing more than to eat the algae off of your plants, glass, and other tank décor and are not known to eat your aquatic plants.
Do Otocinclus eat almond leaves?
Most vegetarian fish species absolutely love eating catappa leaves and the algae on them too. Think about otocinclus and herbivore Loricariidae such as Bristlenose plecos and Panaqolus species.
Do OTOS eat algae wafers?
Algae wafers are great, but dont be afraid to try some lightly blanched zuchinni or cucumber with them either. Agreed with above, otos love veggies and should at least be fed 3 times a week. Algae wafers are decent, but only good brands have algae in them.
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.
How do you feed zucchini to otocinclus?
1:144:45Feeding Otocinclus and Farlowellas - Blanching Veggies and DietYouTubeStart of suggested clipEnd of suggested clipAnd then all I do is take the zucchini chunks. Into the water. Do forgive the motion sickness.MoreAnd then all I do is take the zucchini chunks. Into the water. Do forgive the motion sickness.
Does otocinclus clean glass?
The Otocinclus Catfish will clean glass, but they absolutely love to clean plants. They are great at delicately cleaning your greenery and your Catfish with stay happy and healthy eating any particles off the leaves. These fish are also excellent for tanks that have babies or shrimp inside them.
How do you keep otocinclus alive?
8:0921:33How to Keep Otocinclus ALIVE | What to Feed Oto Catfish - YouTubeYouTubeStart of suggested clipEnd of suggested clipThis around the tank. So that they can naturally graze like autosynclus are going to they look onMoreThis around the tank. So that they can naturally graze like autosynclus are going to they look on any surface for food and so this will especially be helpful. Because it can lay.
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 do you feed zucchini to Otocinclus?
1:144:45Feeding Otocinclus and Farlowellas - Blanching Veggies and DietYouTubeStart of suggested clipEnd of suggested clipAnd then all I do is take the zucchini chunks. Into the water. Do forgive the motion sickness.MoreAnd then all I do is take the zucchini chunks. Into the water. Do forgive the motion sickness.
What does Otocinclus Catfish eat?
soft algae buildupAn 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 many Otocinclus Catfish should be kept together?
How many otocinclus catfish should be kept together? We recommend at least 4-6. Just be sure that your tank is large enough.
What to feed otocinclus?
There are products out there which people have tried with some success. One of the most common types are Algae Wafers which are sold in most stores. Hobbyists have often reported that their otos go for these on a regular basis. This may be a good food to use while acclimating the otocinclus to your tanks. 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. Perhaps some gentle corydoras catfish won't be a major problem, but plecos or adult siamese algae eaters may prove to be too aggressive for these timid little fish to feel safe at the bottom.
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.
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.
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 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 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.
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.
What is the color of the otocinclus?
Common Otocinclus (Otocinclus vittatus) has a very defined black to brown lines that run along the entire length of the body and into the caudal fin. The top is almost fully brown and the lower part is white.
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 many species of catfish are there in the otocinclus?
Otocinclus Species. Currently, the genus Otocinclus contains 19 species of freshwater catfish. Although they have many different small morphological characteristics (useful for scientists) the easiest way for us is to look at colors and patterns. For example, the most popular species in the aquarium hobby are:
What temperature should a fish tank be for breeding?
The temperature in the breeding tank should be warm. The tank should be 78.8-degree Fahrenheit or 26 degrees Celsius which will encourage your fish to breed.
What is the best substrate for a fish tank?
The best substrate for the tank is soil, sand, and smooth gravel. Sharp gravel should be avoided because it can injure the fish.
What do otos eat?
1. Otos love to eat fresh vegetables. Veggies such as spinach, romaine lettuce, parsley, cucumber, zucchini, green beans, and peas are all great options. Cut them into small pieces and then blanch them, as these catfish need the veggies to be soft in order to eat them. If there are any vegetables left in the tank around 24 hours later, make sure to take them out before they dirty the water.
What kind of fish does Angela Marie have?
For the past several years, Angela Marie has had multiple aquariums which have housed several types of tropical fish, including catfish, cichlids, and Bettas. She loves to educate other fish owners on the proper care of tropical fish.
Can Otocinclus catfish eat algae?
However, what happens when your Oto eats all the algae and it doesn't grow fast enough to sustain your catfish? Well, there are several other types of food that you can add to supplement your Oto's diet.
What is the temperament of Otocinclus fish?
As already stated, Otocinclus varieties of fish tend to be calm and docile in temperament. These fish won’t become aggressive towards other fish.
What to feed a fish?
Pet stores that sell fish often have algae wafers that can be used to feed them too. Other kitchen staples can also be used, and some terrific natural food items include: 1 Zucchini 2 Lettuce 3 Spinach
What Are Otocinclus?
Otocinclus are considered a small catfish that live in freshwater. These fish come in roughly 19 different species of the Loricarlidae family.
How to tell if otocinclus are ready to mate?
This is how Otocinclus breed in their natural environments. When the fish are ready to mate, you might notice male Otos chasing female ones .
What is the name of the fish with the black and white stripes?
The fish also has horizontal stripes across the head as well. Since these stripes are not all perfectly straight, some people call this Otocinclus type Tiger Otos for short.
How big do otocinclus get?
Most varieties of Otocinclus are small with adults rarely growing more than 2 inches in size. This size makes them one of the most popular freshwater nano fish out there. Some of the smallest Otos measure only 1 inch in length.
How many otos can you keep in an aquarium?
Otocinclus Tank Size Requirements. The minimum Otocinclus tank size should be around 10 gallons. This means you can safely house 4 to 6 Otos, and more can be added as the tank size increases. Plants should be added to the aquarium, and natural light with some shading is preferred to help these fish thrive.
How long should I drip my Otos?
My only other advice for otos if you have trouble keeping yours alive is drip acclimate them. I put them on a slow drip for about two hours before adding them to the tank. I also make sure the water they are in stays at least 77* while I'm drip acclimating them. They are very touchy little guys, but I love them!
How long does it take for a sandbox to recognize food?
It may take a few days for them to recognize that its food. Remove it once it starts deteriorating because you don't want it decying in your water.
Do Otos die off?
Good luck with the otos! Just be aware of the high die off rate (due to the way their caught). They are herbivores and have special bacteria in theur stomach to vreak it down. When theyre caught, theyre stressed so they dont eat. Rhe bacteria dies off and they basicallt starve to death. ☹️ but if they make it past the first month then they should be fine!
Can I put zucchini in my Otos?
I supplement my otos diet with blanche s zucchini and they LOVE it. I slice it thin (like of you get cucumber for your salad) nuke it in water for about 3 minutes. Drop it in cool water, so its safe for your fish, then place into tank
How much does an otocinclus catfish cost?
In stores like Petsmart, Otocinclus Catfish are usually listed for about $2 per fish, but they are skinny. The problem with a skinny Otocinclus Catfish is that they will stop eating if they do not get enough to eat in the first place. Once the Catfish is starved, it cannot be brought back and will stop having the urge to eat.
How long do otocinclus live?
A healthy Otocinclus Catfish can live for 5-7 years. You know you will have reached success in finding a good food balance if your Otocinclus Catfish has lived in your tank for more than a month or two.
What fish can be used in a shrimp tank?
These fish are also excellent for tanks that have babies or shrimp inside them. The Otocinclus Catfish has great qualities that can enhance any tank, but you should take caution when purchasing these fish from the store.
What is the best catfish to keep in a tank?
Otocinclus Catfish is a peaceful fish that like to keep to their school of buddies. They are the perfect fish in both their calm demeanor and cleaning skills. The Otocinclus Catfish will clean glass, but they absolutely love to clean plants. They are great at delicately cleaning your greenery and your Catfish with stay happy and healthy eating any particles off the leaves. These fish are also excellent for tanks that have babies or shrimp inside them. The Otocinclus Catfish has great qualities that can enhance any tank, but you should take caution when purchasing these fish from the store.
Can otocinclus catfish eat algae pellets?
Often one algae pellet is dropped in the tank and one algae pellet cannot feed 100 fish. The Otocinclus Catfish does not like protein and only wants vegetables. Another fault can be that they are placed in a clean tank, which does not provide a sufficient number ...
Do otocinclus catfish die from starvation?
The same goes for when they arrive and are housed at the wholesale location. Many wholesalers do not provide adequate food for the Oto cinclus Catfish and they can become drastically thin or die from starvation.
Is it safe to buy otocinclus catfish?
While you always want to be sure you are buying healthy fish, it is especially important to look at the health status of an Otocinclus Catfish before you purchase. These Catfish can be at risk of starving to death if they are not cared for properly.

Introduction
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 po...
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. Romaine Lettuce 4. Spinach Pr…
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…