Can Giant Danio and Swordtail Live Together?
Yes, Giant Danio and Swordtail are ideal tank mates. Both species share compatible water parameters and peaceful temperaments, making them well-suited for a community aquarium. A minimum tank size of 132 litres is recommended.
At a Glance
Behaviour & Temperament
Giant Danio is a generally mild-mannered species (3/10), while Swordtail is generally mild-mannered (4/10). This modest difference means Swordtail may occasionally assert dominance over Giant Danio.
Giant Danio and Swordtail both frequent the Top (Surface) and Middle (Open Water) region of the setup. This overlap can increase competition for space, so providing ample room and cover is important to keep both species comfortable.
Worth noting: Giant Danio is a known jumper, so a tight-fitting lid is essential.
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 7 and 8. Maintaining a stable value within this band is more important than hitting an exact number.
For general hardness, the shared comfort zone is 12–20 dGH. Regular testing will ensure conditions stay within this range. An aquarium test kit is recommended for monitoring.
Tank Setup
To house Giant Danio and Swordtail together, plan for an aquarium of at least 132 litres with a minimum length of 90 cm. This accounts for the larger species' space requirements with an additional 20 % buffer to reduce territorial tension.
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: Plants - Densely covered. 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.
Find the right tank equipment
Browse tanks, décor, and equipment suited for this setup.
Frequently Asked Questions
Can Giant Danio and Swordtail live together?▾
Yes. Giant Danio and Swordtail are considered ideal tank mates. Their water parameters, temperaments, and behaviour profiles are well matched for a community aquarium.
What size tank do Giant Danio and Swordtail need?▾
A minimum of 132 litres (tank length at least 90 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 Giant Danio and Swordtail 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 Giant Danio or Swordtail aggressive?▾
Giant Danio is generally mild-mannered (3/10) and Swordtail is generally mild-mannered (4/10). Their similar temperaments generally lead to a peaceful coexistence.
What pH do Giant Danio and Swordtail need?▾
Both species overlap in the 7–8 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.
Related Comparisons
Giant Danio & Zebra Danio
·
Giant Danio & Bala Shark
·
Giant Danio & Denison Barb (Roseline Shark)
·
Giant Danio & Harlequin Rasbora
·
Giant Danio & Tinfoil Barb
·
Giant Danio & White Cloud Mountain Minnow
·
Swordtail & Molly (Sailfin/Black/Dalmatian)
·
Swordtail & Platy
·
Swordtail & Wrestling Halfbeak
·
Swordtail & Mosquitofish (Gambusia)
·
Swordtail & Celebes Rainbowfish
·
Swordtail & Endler's Livebearer
·