Electric Blue Crayfish
Alternative Name(s): Electric Blue Lobster, Electric Blue Yabbie
Scientific Name(s): Procambarus alleni.
Category: Freshwater Invertebrate
Difficulty:
Maximum Size: 20cms
Minimum Tank Volume: 120 litres
Minimum Tank Size: 36" x 15" x 15" for 1
Water Temperature Range: 15-26°C
Water pH Range: 6.5-8.5
Water Hardness Range: 9-13 dGH

General Information: Electric Blue Crayfish is of a typical large cray shape, heavily armoured, and long clawed. Brilliant blues persist longer into maturity than in Cherax quadricarinatus. Ownership, import and export of Procamberus alleni is illegal in the UK, Caresheet for reference only, ownership could see you prosecuted.
Tank Requirements: See Minimum Tank Volume and Minimum Tank Size above
Diet Requirements: Omnivore and willing predator of fish and other invertebrates. Unfussy feeder, but consideration must be given to dietary variety and mineral balance. Supplement with commercial shrimp or crab foods.
Compatibility: Horrible, as with most freshwater crays they pull fish apart in overnight attacks, and are often aggressive amongst themselves according to time of year and sexes split. Not for community.
Recommendations: Robust large aquaria with fixed decor. Plants and other living creatures are destroyed. May bury itself on occasion. Provide shady areas, cover, pipes, caves and excellent filtration. Serious digger.
Common Problems: Sloughing issues, everted gill structures, loss of limbs, circulation issues, shell malformation, fungal diseases, internal parasites, medication and metals sensitivity.Aggression related wounds.
Similar Species: Many similar species, the only legal one in the UK is Cherax quadricarinatus. It's a little smaller, more heavily built and nearly always fades to brown with age. Few are as blue as the Electric Blue.
Sexing: Male's claws more elongated, occasionally red patches. Males have claspers near the rear when viewed from underneath.
Breeding: Segregate gravid females. Eggs carried on modified legs. 200 eggs. Cannibalistic young must be fed heavily to prevent losses.
Author(s): Fishlady | Photo: | Views: 36979
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  • Just popping in

 little monsters !!!

I had a horrible time with these little monsters, being relatively new to fishkeeping i relied on the knowledge of my local petshop who assured me they would be fine in my community tank, needlesly to say it was like a child in a sweetie shop and munched it's way through a few of my fish and injured my large clown loach who subsequently died. So beware before considering these little blighters !!!

 
  • Quite a regular

 Re: little monsters !!!

was just thinking about getting one for my small tank as i have two blackmoors but after reading your msg i might have to look a lil further into it . thank you so there not passive

 
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