Can American Grass Shrimp and Bumblebee Goby (Brackish) Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 2, 2026
Not Recommended

American Grass Shrimp and Bumblebee Goby (Brackish) are not recommended as tank mates due to incompatible water types. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

American Grass Shrimp

Palaemonetes kadiakensis

Bumblebee Goby (Brackish)

Brachygobius xanthozonus

🐠Family Group
American Grass Shrimp
Invertebrates
Bumblebee Goby (Brackish)
Gobies & Gudgeons
Temperament
American Grass Shrimp
Peaceful (1/10)
Bumblebee Goby (Brackish)
Mostly Peaceful (4/10)
Temperature
✓ Compatible
American Grass Shrimp
15–28°C
Bumblebee Goby (Brackish)
24–28°C
pH Range
✓ Compatible
American Grass Shrimp
6.5–8
Bumblebee Goby (Brackish)
7–8.5
Hardness (dGH)
✓ Compatible
American Grass Shrimp
4–15
Bumblebee Goby (Brackish)
10–25
Water Type
✗ No overlap
American Grass Shrimp
Freshwater Only
Bumblebee Goby (Brackish)
Brackish Required
Flow Preference
✓ Compatible
American Grass Shrimp
Moderate
Bumblebee Goby (Brackish)
Low
Min Tank Volume
Combined: 38 L
American Grass Shrimp
19 L
Bumblebee Goby (Brackish)
38 L
Swimming Level
Shared: 1 zone
American Grass Shrimp
BottomMiddle
Bumblebee Goby (Brackish)
Bottom
🏷️Behavior Tags
American Grass Shrimp
Nano / Bite-sized (Predation Risk)Hyperactive / Fast SwimmerFry PredatorJumper (Lid Required)
Bumblebee Goby (Brackish)
Nano / Bite-sized (Predation Risk)Territorial (Defends specific area)Aggressive to same species/look-alikesShrimp Eater
Stocking calculator

Can your tank handle American Grass Shrimp and Bumblebee Goby (Brackish)?

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.

American Grass Shrimp
Bumblebee Goby (Brackish)
Test both in my tank

Behaviour & Temperament

American Grass Shrimp is a peaceful species (1/10), while Bumblebee Goby (Brackish) is generally mild-mannered (4/10). This modest difference means Bumblebee Goby (Brackish) may occasionally assert dominance over American Grass Shrimp.

American Grass Shrimp and Bumblebee Goby (Brackish) 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: Shrimp eaters may also prey on very small nano fish.

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 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.

Crucially, these species require different water types — one needs freshwater while the other requires brackish conditions. This is a hard barrier to keeping them together.

Tank Setup

To house American Grass Shrimp and Bumblebee Goby (Brackish) together, plan for an aquarium of at least 38 litres with a minimum length of 45 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), Shells (Breeding/Hiding), 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 Bumblebee Goby (Brackish) 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 Bumblebee Goby (Brackish).

Show 22 more tank sizes

Diet & Feeding

Feeding time deserves special attention with this pairing. Bumblebee Goby (Brackish) is a known shrimp eater and may prey on small invertebrates or nano fish like American Grass Shrimp.

Frequently Asked Questions

Can American Grass Shrimp and Bumblebee Goby (Brackish) live together?

No. This combination is not recommended. Key incompatibilities — such as different water type needs — make cohabitation unsafe.

What size tank do American Grass Shrimp and Bumblebee Goby (Brackish) need?

A minimum of 38 litres (tank length at least 45 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 Bumblebee Goby (Brackish) 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 Bumblebee Goby (Brackish) aggressive?

American Grass Shrimp is peaceful (1/10) and Bumblebee Goby (Brackish) is generally mild-mannered (4/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do American Grass Shrimp and Bumblebee Goby (Brackish) need?

Both species overlap in the 7–8 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

How do I manage Bumblebee Goby (Brackish)'s territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Bumblebee Goby (Brackish) 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.

Editorial Review

Guidarium Editorial Desk

Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.

Last reviewed
May 2, 2026
Last updated
May 2, 2026
Issues or corrections?
Contact the editorial team

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