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Freshwater crayfish – deep blue and impressive morphology
Cherax alciae "Blue Kong" is a spectacular ornamental crayfish native to Papua New Guinea. It is particularly sought after for its intense blue colouring with electric highlights and its impressive size when fully grown.
A robust but territorial species, it requires a specially designed aquarium with plenty of hiding places. It is suitable for aquarists with some experience.
A spacious aquarium with numerous caves is essential to limit stress and conflict.
Opportunistic omnivore
Avoid excess protein to prevent moulting problems.
Well-oxygenated water and effective filtration are essential. Sensitive to high nitrate levels.
Caution: may move the décor and sever fragile plants.
| Scientific name | Cherax alciae "Blue Kong" |
|---|---|
| Common name | Cherax Blue Kong |
| Adult size | 15–20 cm |
| Origin | Papua (Indonesia) |
| Temperature | 20–26 °C |
| pH | 6.5–7.5 |
| GH | 6–12 °dGH |
| KH | 3 – 8 °KH |
| Life expectancy | 3–5 years |
| Behaviour | Territorial |
| Habitat | Bottom |
| Minimum volume | 100 L (150 L recommended for a pair) |
| Diet | Omnivorous |
To promote proper moulting, ensure sufficient mineral intake (appropriate GH) and always leave the old shell in the tank: it will be consumed and recycled naturally.
Crayfish are individually packaged in secure, reinforced bags and placed in an insulated box with gel packs, depending on the season.
