Remarks: Orange Otos (Nannoptopoma sp., formerly Hypoptopoma sp.) are small, algae-eating fish from South America. They have been called Orange Zebra Otos, Robocop Otos, and several other names. They rarely exceed 1.5" in length and require a plentiful amount of algae to graze on. Orange Otos do a remarkable job cleaning leaves, wood, rocks, and glass of green and brown algae. They rarely accept prepared foods, so having a tank with well-established driftwood or stones covered in algae and aufwuchs will be very beneficial to their long term health. 

Scientific Name: Nannoptopoma sp.

Common Name: Orange Oto

Max Size: 1.5"

pH: 5.0-7.0

Hardness: Moderate

Temperature: 75-82°

Aggressiveness: Peaceful

Region of Origin: South America

Captive Bred or Wild: Wild

Diet: Algae and aufwuchs

Compatibility: Plecos, catfish, schooling fish, livebearers, rainbowfish.

Tank Mate Options:

• Red Shoulder Severum
• Rummynose Tetra
• Geophagus sp. Red Head Tapajos

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