Intermediate to specialist
Red Claw Blue Lobster (Cherax quadricarinatus)
23–29°C · pH 7–8.5 · 90L
£17.99
Papua red claw Cherax crayfish, about 5 cm with striking red claws. Semi-aggressive; keep at 22-28C in a heavily structured 100 L tank.
Adult size is the maximum length this species reaches at full maturity (scientific sources). The livestock you receive will be younger and smaller — pick a size variant above for the actual shipping size. Photos are AI-enhanced, so the animal may show subtle colour or marking differences.
Cherax sp. papua red claw
Papua red claw Cherax crayfish, about 5 cm with striking red claws. Semi-aggressive; keep at 22-28C in a heavily structured 100 L tank.
Adult size is the maximum length this species reaches at full maturity (scientific sources). The livestock you receive will be younger and smaller — pick a size variant above for the actual shipping size. Photos are AI-enhanced, so the animal may show subtle colour or marking differences.
Maintain these water conditions for optimal health and vibrant colors
Claws first: that is how the Papua red claw crayfish introduces itself. This Cherax sp. from the Papua region carries strikingly red claws on a compact body of around 5cm, making it one of the more displayable crayfish on our list without demanding a giant aquarium. Temperament lands at semi-aggressive — bolder than any shrimp, more measured than the most belligerent crayfish — but the safest stocking plan remains a tank of its own, where those signal-red claws can be admired in peace.
Keep it warmer than many of its relatives: 22–28°C is the band, alongside pH 6.5–8.0 and hardness of 5–15 dGH. Allow 100 litres of floor-led space and build the layout heavily — a strongly structured tank gives this crayfish territory to claim and keeps confrontation to a minimum. As an omnivore it forages across the bottom and accepts a broad menu. Should you attempt tankmates, the conditions are strict: very robust, fast fish in a large, heavily structured tank, with the risk understood and accepted as yours. Small fish, shrimp, slow or long-finned fish, bottom-dwellers, other crayfish and crabs are ruled out entirely.
Semi-aggressive is the operative word: assertive about territory rather than relentlessly hostile, which is exactly why the structured layout matters. Give the crayfish sight breaks and ownable caves and its boldness reads as character; deny them and it reads as conflict. The 22–28°C requirement also puts a heater on the kit list for most UK rooms — this is a genuinely tropical invertebrate, and around breeding time its territorial instinct strengthens further. A five-year lifespan means today’s stocking decisions shape the tank for years.
Decide early whether yours will be a species tank or a calculated-risk community, and stock accordingly from day one — retrofitting rarely ends well for the smaller residents. For keepers new to crayfish, the compact size and clear rules here make a sensible starting point. We send every Cherax sp. papua red claw by licensed live-animal courier across the UK, protected by our live arrival guarantee.
23–29°C · pH 7–8.5 · 90L
22–28°C · pH 7–8.5 · 40L
22–28°C · pH 7.5–8 · 40L
22–28°C · pH 7–8 · 30L
18–26°C · pH 6.5–8 · 30L
20–24°C · pH 7–8 · 45L
24–28°C · pH 6.5–7.5 · 2000L
24–28°C · pH 5.5–7 · 60L
24–28°C · pH 7–8 · 120L
18–28°C · pH 6.5–8 · 20L
24–27°C · pH 7.5–8.8 · 150L
22–26°C · pH 6–7.5 · 60L
24–28°C · pH 7.5–8.5 · 40L
24–28°C · pH 7.5–8.5 · 500L
28–30°C · pH 5.5–7.5 · 300L
22–26°C · pH 6–7.5 · 150L
22–26°C · pH 6–7.5 · 200L
23–27°C · pH 5.5–7.5 · 80L
24–28°C · pH 8–9 · 300L