Cambarellus patzcuarensis ‘Blue’
pH
7 - 8
Temperature
18° - 25 °C
Max size
4 cm
Min tank
30 L
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Fellow hobbyists may also be selling Blue Dwarf Mexican Crayfish.
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What to know before you buy.
A dwarf crayfish that stays under 5 cm and rarely troubles healthy fish, unlike its larger relatives. Provide caves and hiding places, especially around moulting.
Select a tank to see how this species fits.
Everything you need to keep Blue Dwarf Mexican Crayfish healthy in a South African setup.
A minimum 30L aquarium suits Blue Dwarf Mexican Crayfish. Match décor to natural behaviour — plants, rockwork, or open swimming room as needed.
Keep pH 7–8 and 18–25°C. Stable parameters matter more than chasing perfect numbers — acclimate new arrivals slowly.
Blue Dwarf Mexican Crayfish is omnivore — sinking foods, vegetable matter. Feed a varied diet appropriate for invertebrates — quality flakes, pellets, or frozen foods sized to the mouth.
Blue Dwarf Mexican Crayfish is generally peaceful for a crayfish; territorial with own kind. Observe during feeding and at lights-out for true temperament.
Pair with similarly sized peaceful for a crayfish; territorial with own kind tankmates in invertebrates. Avoid fin-nippers or species that outgrow this fish.
Breeding notes for Blue Dwarf Mexican Crayfish vary by line and water chemistry — ask your local shop about proven pairs in SA.
From hobbyists across SA.
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Species that typically work alongside Blue Dwarf Mexican Crayfish in a similar setup.
Orange Dwarf Crayfish (CPO)
Cambarellus patzcuarensis var. 'Orange'
Marbled Crayfish
Procambarus virginalis
White Specter Crayfish
Procambarus clarkii var. 'White'
Red Devil Crab
Geosesarma hagen
Vampire Crab
Geosesarma dennerle
Thai Micro Crab
Limnopilos naiyanetri
Anemone Crab
Neopetrolisthes ohshimai
Blue Knuckle Hermit Crab
Calcinus elegans