CPO Orange Dwarf Crayfish

CPO Orange Dwarf Crayfish

Cambarellus patzcuarensis

Beginner Freshwater Territorial but relatively peaceful for a crayfish. Digs and rearranges substrate. Can be kept in pairs or small groups with plenty of hiding places. Cambaridae
Max Size 5.0 cm (2")
Min Tank 40 L (11 gal)
Min Group 1+
Diet Omnivore - crustacean food, frozen foods, blanched vegetables, dried leaves, algae

Water Parameters

Temperature
18.0-26.0°C
64-79°F
pH
7.0-8.5
Hardness (dGH)
6.0-15.0
Min Tank Size
40 L
11 gal

About

The smallest aquarium crayfish, with vibrant orange coloration (CPO variant). Peaceful compared to other crayfish and suitable for community tanks.

Behavior & Temperament

Territorial but relatively peaceful for a crayfish. Digs and rearranges substrate. Can be kept in pairs or small groups with plenty of hiding places.

Feeding

Omnivore - crustacean food, frozen foods, blanched vegetables, dried leaves, algae

Breeding

Oviparous. Females carry 20-40 eggs under the abdomen for 3-4 weeks. Fry remain with the mother for a few days. Reproduction is relatively easy.

Care Notes

Requires abundant hiding places (tubes, caves, driftwood). Well‑oxygenated water. May try to capture slow or sick fish. Change regularly.

Compatibility

Compatible with fast mid-water fish. Avoid slow bottom-dwelling fish and dwarf shrimp. Can coexist with snails.

Quick Summary

Scientific NameCambarellus patzcuarensis
FamilyCambaridae
CategoryCrustacean
Care LevelBeginner
Water TypeFreshwater
Max Size5.0 cm (2")
Min Tank40 L (11 gal)
Min Group1+
DietOmnivore - crustacean food, frozen foods, blanched vegetables, dried leaves, algae
TemperamentTerritorial but relatively peaceful for a crayfish. Digs and rearranges substrate. Can be kept in pairs or small groups with plenty of hiding places.

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