Orange Dwarf Mexican Crayfish

🦞 Orange Dwarf Mexican Crayfish (CPO) Care Card

Scientific Name: Cambarellus patzcuarensis

Common Name: CPO Crayfish

Origin: Mexico (Lake Pátzcuaro region)

Size: Up to 1.6 inches (4 cm)

Lifespan: 1.5–2 years

💧 Tank Requirements

Tank Size: 5 gallons minimum (10+ recommended for pairs/groups)

Temperature: 68–78°F (20–26°C)

pH: 6.5–8.0

Hardness: 6–15 dGH

Filtration: Gentle flow, well-oxygenated water

Substrate: Sand or smooth gravel

Decor: Caves, rocks, driftwood, and plants for hiding

🍽️ Diet

Omnivore: Accepts sinking pellets, algae wafers, blanched veggies (zucchini, spinach), and protein-rich frozen foods like bloodworms or brine shrimp.

🫧 Behavior & Compatibility

Temperament: Peaceful but semi-territorial

Tank Mates: Small peaceful fish, shrimp (with caution), snails

Avoid: Aggressive or fin-nipping fish, large predators

♻️ Care Tips

Offer multiple hiding spots to reduce stress and aggression

Remove uneaten food to maintain water quality

Can be kept singly, in pairs, or in small groups with care

May molt regularly—don’t remove molts immediately (they eat them for calcium)