L137 Pleco (Hypostomus soniae cf. 'Colombia') Care Guide
Common Names:
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L137 Pleco
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Mango Pleco
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Colombian Orange Seam Pleco
Scientific Name: Hypostomus soniae cf.
Origin: Colombia, Magdalena & Orinoco River basins
Size: 10–12 inches (25–30 cm)
Lifespan: 10–15 years
Temperament: Peaceful, territorial with other bottom dwellers
Tank Setup
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Tank Size: 75 gallons minimum for an adult
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Substrate: Sand or smooth gravel
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Decor:
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Driftwood (optional for structure—not essential for diet)
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Rock caves, ledges, tunnels
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Ensure decor is heavy and secure—they’ll rearrange loose items
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Plants: May uproot delicate plants, better with hardscape-focused setups
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Lighting: Moderate to low—appreciates some shaded areas
Water Parameters
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Temperature: 75–82°F (24–28°C)
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pH: 6.5–7.5
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Hardness: Moderate (5–15 dGH)
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Filtration: Strong, with good oxygenation—these fish are messy
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Water Changes: 30–50% weekly
Diet
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Feeding Style: Omnivorous with a herbivorous lean
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Staple Foods:
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Algae wafers, sinking omnivore pellets
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Blanched vegetables (zucchini, spinach, cucumber)
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Occasional protein (bloodworms, shrimp pellets)
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Feeding Frequency: Once or twice daily
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Note: While it may graze algae, don’t rely on it for tank cleaning
Behavior & Tankmates
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Activity: Mostly nocturnal but may adapt to dim daytime conditions
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Temperament: Peaceful but territorial at the bottom
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Good Tankmates:
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Peaceful cichlids, tetras, barbs, rainbowfish
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Other plecos only if tank is large with multiple hides
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Avoid: Fin-nippers, aggressive bottom dwellers, or small delicate fish
Breeding
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In Captivity: Rare and undocumented
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Spawning Type: Presumed cave spawner like most Hypostomus
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Requirements: Warm, soft water and well-oxygenated conditions
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Fry Care: Unknown in captivity
Care Tips
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Needs strong filtration—high bioload from constant grazing
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Provide ample hiding places to reduce stress and spread territory
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Stable water parameters are more important than chasing “perfect” numbers
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Will dig—secure decorations and consider plant placement carefully
Let me know if you’d like this turned into a printable tank card or included in a care pack with similar medium-large plecos.
