Can American Grass Shrimp and Sunset Hap Live Together?
American Grass Shrimp and Sunset Hap are not recommended as tank mates due to piscivorous fish will prey on nano-sized tank mates.. 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 American Grass Shrimp and Sunset Hap?
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.
Behaviour & Temperament
American Grass Shrimp is a peaceful species (1/10), while Sunset Hap is moderately assertive (6/10). This notable difference means Sunset Hap may occasionally assert dominance over American Grass Shrimp.
American Grass Shrimp and Sunset Hap both frequent the Bottom (Substrate) 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.
There is a critical concern: the Nano / Bite-sized (Predation Risk) behaviour of one fish directly conflicts with the Piscivore (Eats small/nano fish) trait of the other — piscivorous fish will prey on nano-sized tank mates..
Worth noting: American Grass Shrimp is a known jumper, so a tight-fitting lid is essential.
Water Parameters
The safe temperature window for both species falls between 24°C and 28°C. Aim for the midpoint of this range (around 26.0°C) for optimal comfort.
Both fish can tolerate a pH between 7.6 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 10–15 dGH. Regular testing will ensure conditions stay within this range.
Tank Setup
To house American Grass Shrimp and Sunset Hap together, plan for an aquarium of at least 400 litres with a minimum length of 150 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: Plants - Densely covered, Leaf Litter/Blackwater, Sand (Sifters), Smooth Gravel (Sensitive Barbels). Meeting these requirements will help both species thrive.
Both species do well with moderate (standard) water movement, so a standard filtration setup rated for the tank volume should suffice.
Why This Pairing Usually Fails in Practice
American Grass Shrimp and Sunset Hap are the kind of pair that can look acceptable in a shop but become a maintenance problem at home. The main risk is not a single number in the chart; it is the way incompatible behavior, water needs, or pressure on space compounds over time once both fish are established in the same tank.
Suitable Tank Sizes
Standard aquarium sizes large enough for both American Grass Shrimp and Sunset Hap.
Frequently Asked Questions
Can American Grass Shrimp and Sunset Hap live together?
No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.
What size tank do American Grass Shrimp and Sunset Hap need?
A minimum of 400 litres (tank length at least 150 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 American Grass Shrimp and Sunset Hap together?
Keep the aquarium between 24°C and 28°C. A target of around 26.0°C sits comfortably within both species' preferred ranges.
Are American Grass Shrimp or Sunset Hap aggressive?
American Grass Shrimp is peaceful (1/10) and Sunset Hap is moderately assertive (6/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.
What pH do American Grass Shrimp and Sunset Hap need?
Both species overlap in the 7.6–8 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.
How do I manage Sunset Hap's territorial behaviour?
Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Sunset Hap 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.
Shared setup supplies
We may earn from qualifying purchases
Guidarium Editorial Desk
Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.
- Last reviewed
- May 4, 2026
- Last updated
- May 4, 2026
- Issues or corrections?
- Contact the editorial team
Related Comparisons
American Grass Shrimp & Amano Shrimp
·
American Grass Shrimp & Ninja Shrimp
·
American Grass Shrimp & Apple Snail
·
American Grass Shrimp & Bamboo Shrimp
·
American Grass Shrimp & Bee Shrimp (Crystal Red / Black)
·
American Grass Shrimp & Bladder Snail (Pest Snail)
·
Sunset Hap & Afra Cichlid
·
Sunset Hap & African Jewel Cichlid
·
Sunset Hap & Altolamprologus Calvus
·
Sunset Hap & Altolamprologus Compressiceps
·
Sunset Hap & Aurora Yellow Mbuna
·
Sunset Hap & Black Diamond Cichlid
·