Can Chinese Algae Eater (CAE) and Port Acara Live Together?
Keeping Chinese Algae Eater (CAE) and Port Acara together is possible but requires caution due to potential behavioral clashes and mismatched flow preferences. Provide a spacious tank of at least 200 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.
At a Glance
Can your tank handle Chinese Algae Eater (CAE) and Port Acara?
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 Port Acara is moderately assertive (5/10). This modest difference means Chinese Algae Eater (CAE) may occasionally assert dominance over Port Acara.
Chinese Algae Eater (CAE) and Port Acara 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.
Additional behavioural considerations to keep in mind: Two territorial species may clash over territory, especially in smaller tanks.
To improve the chances of a peaceful coexistence in this community tank: Provide a significantly larger tank (at least 50% more volume than the minimum) to allow both Chinese Algae Eater (CAE) and Port Acara to establish separate territories. Add plenty of line-of-sight breaks using driftwood, rocks, and dense planting to reduce territorial confrontations.
Water Parameters
The safe temperature window for both species falls between 22°C and 28°C. Aim for the midpoint of this range (around 25.0°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 5–15 dGH. Regular testing will ensure conditions stay within this range.
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Tank Setup
To house Chinese Algae Eater (CAE) and Port Acara together, plan for an aquarium of at least 200 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.
Because this pairing requires extra vigilance, include plenty of hiding spots — caves, driftwood, and dense plant clusters — so the less dominant fish can retreat when needed.
Specific environmental needs for this combination include: Smooth Gravel (Sensitive Barbels), Sand (Sifters), Driftwood (Digestion/Hiding). Meeting these requirements will help both species thrive.
Chinese Algae Eater (CAE) prefers High (River/Stream) flow while Port Acara needs Low (Still Water) flow. Consider positioning filter outlets and using baffles to create zones of different current intensity within the same tank.
Suitable Tank Sizes
Standard aquarium sizes large enough for both Chinese Algae Eater (CAE) and Port Acara.
55 Gallon Standard
60 Gallon Breeder
75 Gallon Standard
90 Gallon Standard
125 Gallon Standard
150 Gallon High
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Frequently Asked Questions
Can Chinese Algae Eater (CAE) and Port Acara live together?
They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 200 litres), plenty of hiding spots, and watch for signs of stress or aggression.
What size tank do Chinese Algae Eater (CAE) and Port Acara need?
A minimum of 200 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 Port Acara together?
Keep the aquarium between 22°C and 28°C. A target of around 25.0°C sits comfortably within both species' preferred ranges.
Are Chinese Algae Eater (CAE) or Port Acara aggressive?
Chinese Algae Eater (CAE) is semi-aggressive (8/10) and Port Acara is moderately assertive (5/10). Their similar temperaments generally lead to a peaceful coexistence.
What pH do Chinese Algae Eater (CAE) and Port Acara 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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