Can Chinese Algae Eater (CAE) and Gold Nugget Pleco (L018) Live Together?
Chinese Algae Eater (CAE) and Gold Nugget Pleco (L018) are not recommended as tank mates due to slime coat eaters target slow-moving fish, causing severe stress and health issues.. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.
At a Glance
Can your tank handle Chinese Algae Eater (CAE) and Gold Nugget Pleco (L018)?
Compatibility is only part of the answer. Test both fish with your real tank size, current stock, and maintenance needs to see if you have enough space and a safe stocking level before you add them.
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Behaviour & Temperament
Chinese Algae Eater (CAE) is a semi-aggressive species (8/10), while Gold Nugget Pleco (L018) is moderately assertive (6/10). This modest difference means Chinese Algae Eater (CAE) may occasionally assert dominance over Gold Nugget Pleco (L018).
Chinese Algae Eater (CAE) and Gold Nugget Pleco (L018) both frequent the Bottom (Substrate) region of the setup. This overlap can increase competition for space, so providing ample room and cover is important to keep both species comfortable.
There is a critical concern: the Slime Coat Eater (Attacks Flat Fish) behaviour of one fish directly conflicts with the Shy / Slow Moving (Easily Stressed) trait of the other — slime coat eaters target slow-moving fish, causing severe stress and health issues..
Additional behavioural considerations to keep in mind: Aggressive fish may bully and stress shy, slow-moving species. Hyperactive swimmers can stress shy, slow-moving species through constant motion. Two territorial species may clash over territory, especially in smaller tanks.
Water Parameters
The safe temperature window for both species falls between 27°C and 28°C. Aim for the midpoint of this range (around 27.5°C) for optimal comfort.
Both fish can tolerate a pH between 6 and 7.5. Maintaining a stable value within this band is more important than hitting an exact number.
For general hardness, the shared comfort zone is 5–12 dGH. Regular testing will ensure conditions stay within this range.
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Tank Setup
To house Chinese Algae Eater (CAE) and Gold Nugget Pleco (L018) together, plan for an aquarium of at least 250 litres with a minimum length of 120 cm. This recommendation combines the stricter species minimums with a community-load allowance so the pairing has realistic long-term space and filtration headroom.
Providing a mix of open swimming space and sheltered areas with rocks, driftwood, or plants will keep both species comfortable and allow natural behaviour.
Specific environmental needs for this combination include: Smooth Gravel (Sensitive Barbels), Driftwood (Digestion/Hiding), Established Algae (Otocinclus). Meeting these requirements will help both species thrive.
Both species do well with high (river/stream) water movement, so a standard filtration setup rated for the tank volume should suffice.
Suitable Tank Sizes
Standard aquarium sizes large enough for both Chinese Algae Eater (CAE) and Gold Nugget Pleco (L018).
75 Gallon Standard
90 Gallon Standard
125 Gallon Standard
150 Gallon High
180 Gallon Standard
350 Liter (120cm Deep)
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Frequently Asked Questions
Can Chinese Algae Eater (CAE) and Gold Nugget Pleco (L018) live together?
No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.
What size tank do Chinese Algae Eater (CAE) and Gold Nugget Pleco (L018) need?
A minimum of 250 litres (tank length at least 120 cm) is recommended. This provides enough space for both species to establish their own areas and reduces the likelihood of territorial disputes.
What water temperature is best for Chinese Algae Eater (CAE) and Gold Nugget Pleco (L018) together?
Keep the aquarium between 27°C and 28°C. A target of around 27.5°C sits comfortably within both species' preferred ranges.
Are Chinese Algae Eater (CAE) or Gold Nugget Pleco (L018) aggressive?
Chinese Algae Eater (CAE) is semi-aggressive (8/10) and Gold Nugget Pleco (L018) is moderately assertive (6/10). Their similar temperaments generally lead to a peaceful coexistence.
What pH do Chinese Algae Eater (CAE) and Gold Nugget Pleco (L018) need?
Both species overlap in the 6–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.
How do I manage Chinese Algae Eater (CAE)'s territorial behaviour?
Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Chinese Algae Eater (CAE) space to claim a territory without encroaching on the other fish's area. Adding décor that divides the tank into distinct zones works especially well.
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