Overview
The Dwarf Mexican Crayfish (CPO) (Cambarellus patzcuarensis var. orange) is a beginner freshwater species known for its orange coloration. Small and peaceful. Bottom.
Origin & Appearance
Origin: Mexico.
Colors: Orange.
Body Shape: Crayfish/Lobster (elongate crustacean). Typical adult dimensions: 5.0 x 1.5 x 1.2.
Sexual Dimorphism: Moderate; males have larger claws, female wider tail.
Tank & Water Requirements
| Min Tank Size | 5 gallons |
| Temperature | 64–75°F |
| pH Range | 7–8 |
| Water Hardness (GH) | 8-20 |
| Bioload | very-high |
| Oxygen Demand | medium |
| Plant Safe | mostly |
| Aquarium Position | Bottom |
Behavior & Activity
Bottom walker; tiny claws probe substrate; walks over plants and hardscape; tail-flips backward when startled
Speed: 18/100Aggression: 3/10diurnal
Breeding
Moderate; female carries eggs under tail
Common Diseases
💊 Crayfish plague💊 bacterial💊 molt failure
Expert Notes
Small and peaceful; safe with most fish