Otocinclus Catfish

Otocinclus spp.

Minimum Tank Size

10–20 gal mature tank

Temperature

72–79°F

PH

6.0–7.5

Adult Size

1.5–2 in

Temperament 

Very peaceful, social

Care Difficulty

Intermediate

Diet & Feeding

Algae/biofilm grazer; supplement with algae wafers and vegetables.

Care Instructions

Introduce only to a mature stable tank with established biofilm and supplemental food.

Flow & Filtration

Gentle-to-moderate filtration with good oxygenation.

Planted Tank Suitability

Excellent.

Tank Mate Compatibility

Good Tank Mates

  • Tetras
  • Rasboras
  • Corydoras
  • Dwarf Shrimp

Use Caution 

  • Betta
  • Dwarf Cichlids

Avoid

  • Oscar
  • Aggressive Cichlids

Compatibility Notes

Extremely peaceful and easily outcompeted; avoid aggressive or food-dominant fish.

Breeding Notes

Can spawn in mature planted aquaria; eggs are deposited on surfaces.