Otocinclus Catfish

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Ideal algae-eating catfish for planted tanks – will not damage fine leaved plants. Best kept with other smaller sized fishes. Difficult to breed, all aquarium stock is imported from South America. Otocinclus Catfish like heavily planted tanks with a good amount of established algae growth. Coburg Aquarium stocks many types of Live Freshwater Catfish and Aquarium Products, 100% safe delivered to your door.

Please Note: Livestock and Live Plants cannot be shipped to WA and TAS due to State Restrictions. All other states are OK.

Features of Otocinclus Catfish:

  • A horizontaThey often have muted green/brown/grey coloration with a darker horizontal stripe down their flanks
  • Otocinclus catfish are small fish with narrow bodies, short fins, and powerful suckermouths
  • They spend most of their time in schools, swimming through moderate-to-slow rivers with well-oxygenated water

The Best Aquarium Size:

A small group of Otocinclus Catfish do best with a minimum tank size of 50L. However, if you want to set up a community tank, you have to increase the tank size. Nice tank brands you can consider:

After an Aquarium for your fish? Browse Aquarium Tank Selection here.

Tank Mate Compatibility:

Ideal tank mates for otocinclus catfish are similarly-sized, peaceful fish, including:

  • Cherry Barbs
  • Danios
  • Small Tetras
  • Mollies
  • Guppies
  • Zebra Loaches
  • Harlequin Rasboras

Coburg Aquarium, specialised in different species of live fish.

Feeding :

Flake or pellet food is a great to feed them every day. This food will ensure that they’re getting their essential nutrients. Live blackworms, frozen bloodworms, Brine shrimp and Daphnia are all great additions as well. You can search Catfish food in our High Quality Fish Foods collections.

Tank Setup:

Aquarium Filtration

Water quality is vital, so an excellent filter is essential. An appropriately sized canister filter is a good choice as you can pack in with biological media. Make sure the filter suits for the tank size. And here are some great ones to consider:

  • 307 Performance Canister Filter By Fluval
  • Classic External Canister Filter 2215 (350)By EHEIM
  • Oase FiltoSmart 60
  • Oase BioPlus 100
  • Aqua One 1000 External Canister Filter


Heater is an option, this fish enjoy temperatures between 23 – 27° C. Thermometer is recommended to monitor the water temperature.


To mimic their natural habitat, we recommend to add some plants to your aquarium. Plants like Hornwort, Fox tail, Java Moss and any other Moss, Anubias, Java Fern, and Cabomba will make them feel like home. Interested in Live Plants for your aquariums? Click here to see more Fish Live Plant


They love driftwood. Also needs lots of hiding spots to feel safe in an aquarium environment. Add ornaments such as: Driftwood, Big Rocks, Caves, Tubes, and Pipes. After more nice quality decorations? Check our Aquarium Ornaments.


Standard aquarium lighting is fine, but to speed up algae growth, providing a bigger food source for otocincluses, place the tank in a spot that has access to direct sunlight during part of the day.


Soft sand is a good substrate. A variety of Substrates are available at Coburg Aquarium.

Additional Information

Fish Keeping Snapshot :

  • Keeping Difficulty : Intermediate
  • Diet : Omnivore
  • Temperament : Peaceful, community fish
  • Max Size : 5cm

Preferred Water Parameters :

  • Water Temperature : 22.0-26.0°C
  • pH Level : 6.5-7.5
  • General Hardness : Soft – Moderate (50 – 150ppm)

Aquarium Set-up Service:

Our design team enables us to create the tank you desire, install your tank where you wish to and provide a maintenance service to ensure everything runs smoothly. We can create almost any aquarium from the small home aquarium to large commercial aquariums for offices, hotels or restaurants. Coburg Aquarium, Australia’s leading aquarium shop.

Please contact us if you need any custom tank services.


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Please contact us if you would like additional information regarding when more will become available.

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