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.
pH
6.5 - 8
Temperature
18° - 28 °C
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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
Select a tank to see how this species fits.
Everything you need to keep Marbled Crayfish healthy in a South African 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.
Keep pH 6.5–8 and 18–28°C. Stable parameters matter more than chasing perfect numbers — acclimate new arrivals slowly.
Marbled Crayfish is an omnivore. Feed a varied diet appropriate for invertebrates — quality flakes, pellets, or frozen foods sized to the mouth.
Marbled Crayfish is generally peaceful. Observe during feeding and at lights-out for true temperament.
Pair with similarly sized peaceful tankmates in invertebrates. Avoid fin-nippers or species that outgrow this fish.
Breeding notes for Marbled Crayfish vary by line and water chemistry — ask your local shop about proven pairs in SA.
From hobbyists across SA.
Species that typically work alongside Marbled Crayfish in a similar setup.
White Specter Crayfish
Procambarus clarkii var. 'White'
Thai Micro Crab
Limnopilos naiyanetri
Red Devil Crab
Geosesarma hagen
Orange Dwarf Crayfish (CPO)
Cambarellus patzcuarensis var. 'Orange'
Vampire Crab
Geosesarma dennerle
Blue Dwarf Mexican Crayfish
Cambarellus patzcuarensis ‘Blue’
Anemone Crab
Neopetrolisthes ohshimai
Blue Knuckle Hermit Crab
Calcinus elegans