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Description
[ARRIVED 8-SEP-2025] Long Armed Freshwater Shrimp (Macrobrachium Australiense) 4-6cmLong Armed Freshwater Shrimp (Macrobrachium australiense) Large predatory freshwater shrimp with impressive long claws, active hunting behaviour, and strong display appeal Quick Facts Scientific Name: Macrobrachium australiense Common Name: Long Armed Freshwater Shrimp Adult Size: Up to 1215 cm Tank Size: 75L+ minimum Difficulty: Intermediate to Advanced Temperament: Predatory Territorial Is this for you? Good if: You want a unique display shrimp You
Long Armed Freshwater Shrimp (Macrobrachium australiense)
Large predatory freshwater shrimp with impressive long claws, active hunting behaviour, and strong display appeal
Quick Facts
- Scientific Name: Macrobrachium australiense
- Common Name: Long-Armed Freshwater Shrimp
- Adult Size: Up to 12–15 cm
- Tank Size: 75L+ minimum
- Difficulty: 🟠 Intermediate to Advanced
- Temperament: Predatory / Territorial
Is this for you?
✔️ Good if:
- You want a unique display shrimp
- You enjoy predatory aquatic species
- You keep species-only or specialist tanks
- You appreciate unusual Australian natives
❌ Avoid if:
- You keep nano fish or dwarf shrimp
- You want a peaceful community shrimp
- You expect algae-cleaning behaviour only
- You keep heavily stocked small aquariums
Why this shrimp?
Macrobrachium australiense is a fascinating Australian freshwater prawn known for its elongated claws, active hunting behaviour, and strong territorial personality.
Unlike dwarf shrimp species, this shrimp behaves more like a miniature aquatic predator — constantly exploring, scavenging, and interacting with its environment.
Its size, movement, and unusual appearance make it a standout feature animal for experienced aquarists.
Key Features
- Long distinctive claws
- Large freshwater shrimp species
- Native Australian invertebrate
- Highly active and interactive behaviour
- Excellent species-tank display animal
Common mistakes
- Keeping with small fish or shrimp
- Underestimating territorial behaviour
- Providing insufficient hiding spaces
- Feeding only algae or plant-based foods
- Using unsecured lids
Care made simple
- Temperature: 22–28°C
- pH: 7.0–7.8
- Water Type: Clean, oxygen-rich freshwater
- Diet: Carnivorous / Omnivorous
- Setup: Caves, driftwood, hiding zones
Feeding
- Sinking carnivore pellets
- Frozen bloodworms
- Mysis shrimp or brine shrimp
- Pieces of seafood or mussel
- Occasional scavenged leftovers
Pair with
- Species-only aquarium
- Large fast-moving fish
- Australian river biotope setups
- Driftwood and rock caves
- Sandy substrate
Important Notes
- Predatory species — not shrimp-safe
- May prey on small fish and snails
- Colour varies naturally between individuals
- Requires secure lid to prevent climbing escapes
- Wild-caught appearance may vary
These shrimp are best treated more like a predatory fish than a traditional shrimp. Success comes from respecting their territorial behaviour rather than forcing them into peaceful community setups.
FAQ
Can this shrimp live with small fish?
No. Small fish are at risk of predation.
Is this shrimp aggressive?
Yes. It is territorial and opportunistically predatory.
Can it live with dwarf shrimp?
No. Dwarf shrimp will likely become food.
Do they hide often?
Yes. Hiding is common, especially after moulting or during acclimation.
What tank setup works best?
River-style setups with caves, driftwood, sand, and strong oxygenation.
Shipping Notes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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