Zebra Papua Lobster

Species Profile

Scientific Name: Cherax peknyi
Common Name: Zebra Papua Lobster / Zebra Crayfish
Adult Size: 4 – 6 inches (10 – 15 cm)
Life Expectancy: 3 – 5 years
Habitat: Native to freshwater habitats in Papua, Indonesia, including streams, rivers, and shallow waterways. They prefer clean, well-oxygenated water with plenty of rocks, caves, and hiding places.

Tank Requirements

Minimum Tank Size: 20 gallons (75 liters) for one adult; larger tanks are recommended for multiple crayfish
Ideal Temperature: 22°C – 28°C
pH Range: 6.5 – 8.0
Water Hardness: Moderate hardness is preferred
Temperament: Semi-aggressive and territorial. They may become aggressive toward other crayfish, shrimp, or slow-moving tank mates, especially when space and hiding places are limited. Keeping them with appropriately sized, peaceful fish is generally safer.

Diet & Nutrition

Omnivorous: Yes. They enjoy sinking crayfish pellets, algae wafers, vegetables such as zucchini, spinach, and cucumber, as well as occasional protein-rich foods such as bloodworms or brine shrimp. They also naturally scavenge for leftover food and organic matter in the aquarium.

Appearance

Coloration: Attractive dark blue to black or brown coloration with distinctive lighter zebra-like bands or markings across the body and tail. Color intensity can vary depending on age, diet, water conditions, and individual genetics.

Size: Medium-sized crayfish with a robust body, strong claws, and a broad tail fan.

Distinctive Features

• Striking zebra-like markings make it a standout addition to freshwater aquariums
• Attractive natural coloration with contrasting bands
• Active and curious, often seen exploring the aquarium
• Enjoys caves, rocks, driftwood, and other hiding places
• Hardy when provided with stable water conditions
• Can regenerate lost limbs through subsequent molts
• Best suited for experienced aquarium keepers due to its territorial behavior