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Basics

Scientific Name: Otocinclus macrospilus

Family: Loricariidae

Origin: South America

Quick Facts

• Care Level: Easy
• Temperament: Peaceful
• Lifespan: 3-5 years
• Water Conditions: 70-79° F, KH 1-12, pH 5.5-7.5
• Maximum Size: 1.5"
• Diet: Algae
• Minimum Tank Size: 5 gallons

Overview

The Dwarf Oto Suckermouth Catfish, or Oto Catfish, is a small, peaceful algae eating fish with a black and silver body.  If starving, it may choose to consume the slime coat from larger more docile fish, such as Discus.  Somewhat shy, they prefer to be in groups of at least 6.

Active at night, the Oto Catfish will appreciate a planted tank with plenty of hiding places or driftwood, and feed almost exclusively on algae, vegetable, and plant matter.  They are frequently underfed and starve and must be provided sufficient greens in their food in order to thrive.

A somewhat delicate fish, usually because of hunger, it should be acclimated carefully and only added to a mature tank with sufficient algae and plant matter for it to consume.

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