Lemon Pleco
Baryancistrus xanthellus L018
Family: Loricariidae • Origin: Various
Lemon Pleco (Baryancistrus xanthellus L018) is a peaceful pleco reaching 10 inches. Can be kept singly. Minimum tank: 75 gallons.
Is Lemon Pleco Right for Your Tank?
Lemon Pleco is a moderate-care fish rated "advanced" (3/5). Suitable for hobbyists with some experience who can maintain stable water parameters. They need at least 75 gallons — a mid-size tank commitment. Plan your space accordingly.
With a peaceful temperament, Lemon Pleco makes a great community fish. They coexist well with other non-aggressive species of similar size. Expected lifespan: 12 years with proper care.
Common Mistakes with Lemon Pleco
Relying on a heater without a thermometer
Lemon Pleco needs 77–84°F. Heaters malfunction or drift over time — always use a separate thermometer to verify. Temperature swings of even 3–4°F can trigger stress and disease, particularly ich.
Putting them in a tank under 75 gallons
Many beginners underestimate tank size needs. Lemon Pleco requires at least 75 gallons — ideally 113. Cramped tanks lead to stunted growth, aggression, and poor water quality.
Skipping the quarantine period
Even healthy-looking fish can carry parasites or disease. Quarantine new Lemon Pleco for 2–4 weeks in a separate tank before adding to your main aquarium.
Care Tips
- • Max size: 10"
- • Temp: 77-84°F
- • pH: 6.5-7.5
- • Can be kept alone
- • peaceful temperament
Feeding: Standard omnivore diet for Loricariidae.
Compatibility Notes: Typical peaceful Loricariidae species.
Tank Setup & Water Parameters
Tank Requirements
- Minimum Tank Size
- 75 gallons
- Recommended Tank Size
- 113 gallons
- Swimming Level
- bottom
Water Parameters
- Temperature
- 77–84°F
- pH Range
- 6.5–7.5
- Hardness (dGH)
- 5–15
- Water Type
- freshwater
Behavior & Temperament
- Temperament
- peaceful
- Aggression Level
- 1/5
- Schooling
- No
- Territorial
- No
- Fin Nipper
- No
- Predatory
- No
- Diet Type
- omnivore
- Growth Rate
- fast
Typical peaceful Loricariidae species.
Breeding
- Breeding Type
- cave spawner
- Breeding Difficulty
- difficult
- Lifespan
- 12 years
Ideal For
Compatible Tank Mates
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Neon Tetra
Paracheirodon innesi
Ember Tetra
Hyphessobrycon amandae
Rummy Nose Tetra
Hemigrammus rhodostomus
Black Neon Tetra
Hyphessobrycon herbertaxelrodi
Serpae Tetra
Hyphessobrycon eques
Black Skirt Tetra
Gymnocorymbus ternetzi
Similar Species
Gold Nugget Pleco
Baryancistrus xanthellus
Vampire Pleco
Leporacanthicus galaxias
Sultan Pleco
Leporacanthicus joselimai
Clown Loach
Chromobotia macracanthus