Tank setup
Size the aquarium to Marbled Crayfish's adult size and activity level. Match décor to natural behaviour — plants, rockwork, or open swimming room as needed.
Where to buy
Compare prices from SA aquarium shops listing Marbled Crayfish.
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Overview
What to know before you buy.
The Marbled Crayfish, or Marmorkrebs, is famous for its unique ability to reproduce via parthenogenesis; all individuals are female and can clone themselves. They are extremely hardy and prolific, making them a potential invasive species that should never be released. They are interesting to observe but require a dedicated tank to prevent them from overrunning a community setup.
Key traits
breeds in captivity
easy
medium
omnivore
scavenger
Compatibility
Select a tank to see how this species fits.
Care guide
Everything you need to keep Marbled Crayfish healthy in a South African setup.
Water parameters
Keep pH 6.5–8 and 18–28°C. Stable parameters matter more than chasing perfect numbers — acclimate new arrivals slowly.
Feeding
Marbled Crayfish is an omnivore. Feed a varied diet appropriate for invertebrates — quality flakes, pellets, or frozen foods sized to the mouth.
Behaviour
Marbled Crayfish is generally peaceful. Observe during feeding and at lights-out for true temperament.
Tankmates
Pair with similarly sized peaceful tankmates in invertebrates. Avoid fin-nippers or species that outgrow this fish.
Breeding
Breeding notes for Marbled Crayfish vary by line and water chemistry — ask your local shop about proven pairs in SA.
Keeping invertebrates?
Invertebrates read water quality more sensitively than fish — condition and test rather than guess.
Availability confirmed with the distributor before dispatch · free delivery over r750
Community photos
From hobbyists across SA.
Photo by FishHubAdmin
Often kept with
Real pairwise verdicts for Marbled Crayfish, not a same-category guess. Always confirm adult size and your tank's specifics before buying.
- Often kept together
Pristella Tetra
Pristella maxillaris
- Often kept together
Black Ruby Barb
Pethia nigrofasciata
In a 75L+ tank
- Often kept together
Giant Gourami
Osphronemus goramy
In a 1000L+ tank
- Often kept together
Crystal Black Shrimp
Caridina cantonensis var. 'Crystal Black'
- Often kept together
Corydoras Julii
Corydoras julii
- Often kept together
Red-bellied Pacu
Piaractus brachypomus
In a 1500L+ tank
- Often kept together
Orange Sakura Shrimp
Neocaridina davidi var. 'Orange Sakura'
- Often kept together
Black Phantom Tetra
Hyphessobrycon megalopterus