Red scissor crab - Cherax quadricarinatus
Red scissor crab - Cherax quadricarinatus
Red scissor crab - Cherax quadricarinatus
     
  • peaceful crayfish
  • great coloration
  • beautifully patterned
  • grows very large

Red scissor crab - Cherax quadricarinatus

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Red scissor crab - Cherax quadricarinatus
The big brother of the pretty Cherax lorentzi is the very impressive Cherax quadricarinatus with a body length of up to 30 cm (measured without claws!). However, the red clawed crayfish does not only impress with its sheer size, but also with its beautiful colors and extremely interesting behavior. In the beginning the crayfish might be a bit shy and come out of their hiding places rather in the evening hours, but soon they have settled in and you can see them also during the day. - Garnelio
Description

The red scissor crab, scientifically described as Cherax quadricarinatus, is a large growing, rather peaceful crab from Australia. We supply juveniles with a body length of 4-5 cm. An adult red scissor crab reaches a body length of up to 30 cm. It has a blue body base color, often with orange joints on the scissor legs and with yellow to whitish spots on the carapace. Adult males have the eponymous red claw blister on their claws, which can be used to reliably distinguish them from females. In juveniles, the sexes are distinguished by the sexual openings on the underside. In males these so-called gonopores are located at the base of the fifth pair of legs, in females at the third pair of legs.

Red scissor crabs are often nocturnal, but can also be seen during the day, especially when food is available. Cherax quadricarinatus can be kept in aquariums from 100 cm edge length. These relatively compatible crayfish can also be kept in pairs in this size, provided that the aquarium is furnished with wood and stones in a varied way and offers the Quadris possibilities to avoid each other, especially after a moult. The aquarium can be planted with hard respectively fast growing plants, Cherax quadricarinatus however is a gardener, now and then soft plants are also nibbled. Alternatively floating plants are suitable for greening. The red scissor crab feels comfortable in slightly alkaline water with a pH of 7 to 8.5 and a temperature of 24 to 27 °C, hardness plays only a minor role. A high oxygen content is a must. This can be achieved by using a bubbling stone, by raising the filter outlet and letting the water splash into the aquarium, or by using an oxydator.

Adult Cherax quadricarinatus feed mainly on plants, but they will not say no to a protein snack now and then (two to three times a week). Snails that reproduce well are ideal as a live food source. Juvenile, i.e. growing Cherax quadricarinatus require significantly more protein and should be provided with an appropriate food three to four times per week. Well-suited permanent food is brown autumn leaves, which are also eaten preferentially in nature. Special crab food is also suitable, as are greens and vegetables such as pumpkin. Protein can be provided either by a protein food such as Natureholic Proteinfeed or by frozen food, FD food and so on.

The red scissor crab is not difficult to breed. The females carry 150 to 300 eggs once a year, from which the young crayfish hatch after a gestation period of up to six weeks. They are highly cannibalistic among themselves and require as many hiding places as possible in perforated bricks, under autumn leaves, in ceramic rolls or in special crayfish burrows.

Adult red scissor crabs can be kept together with smaller shrimp without any problems, but not with fan shrimp or large-armed shrimp, with other crabs or with crabs. Juvenile crayfish, on the other hand, will also go to dwarf shrimp due to their increased protein requirements if they do not get enough protein in their diet. Socialization with larger fish such as Malawis is also possible without any problems.

Our food recommendation: Freshwater crayfish have a very varied diet in the wild. The Natureholic Crab Feed Sticks contain in a biologically balanced form only those ingredients that these crayfish in this or similar form to their natural food spectrum. This naturally supports and promotes moulting, growth and reproduction. Due to their protein content they are ideally suited for omnivorous crayfish of the genera Procambarus, Cambarus, Cambarellus, Astacus and the Cherax crayfish from Australia, which are basically omnivores that like to eat animal as well as vegetable food. The crayfish of the genus Cherax from Papua also like to eat a portion of animal food when they are young, but later they switch mainly to plant food.

Our plant recommendation: Use the following for planting NatureHolic InVitros. These are free of snails, planarians and other unwanted co-inhabitants. Also free of algae spores, bacteria and fungi.

Expert Tip: We recommend for fish keeping the NatureHolic 3 Phase Liquid. The care set offers the best all-round protection for your animals. It ensures optimal conditions for successful breeding and keeping.

 

Profile
Scientific name: Cherax quadricarinatus Von Martens, 1868
German name: Red scissor crab
Difficulty level: suitable for beginners
Origin/Distribution: Australia
Coloration: blue-green head, blue-green-brown patterned abdomen, legs and claw arms blue with orange joints, male with red-orange claw blisters
Age expectancy: 2 to 5 years
Water parameters: GH to 20, KH to 10, pH 7 to 8.5, temperature 24 to 27 °C
Tank size: from 100 cm for one pair
Food: Natureholic crayfish food, brown autumn leaves, nettles, flake food, granulated food or food tabs, vegetables, frozen food
Reproduction: relatively easy, after about six weeks 150 to 300 strongly cannibalistic young crayfish hatch, which need many hiding places
Behavior: peaceful
Socialization: with shrimps, with peaceful fish
Further information Sex differences crayfish, shrimp, crayfish, snails & mussels feed properly, Cherax aquarium crayfish - keeping in the aquarium
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  • 7427061461763

Customer reviews (11)
5 von 5
Durchschnittliche Bewertung
28 Jun 2019

Es scheint alles gut zu s...

Es scheint alles gut zu sein,der Krebs ist lebhaft und gut zu wege.

27 Jun 2019

sehr schönes Tier, gerne...

sehr schönes Tier, gerne wieder

27 Jun 2019

sehr schönes Tier, gerne...

sehr schönes Tier, gerne wieder

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Red scissor crab - Cherax quadricarinatus

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Question: "Ist es möglich cherax mit Antennenwelsen zu Vergesellschaften? Meine Beckengröße 360l auf 1,30m breite."

from Kevin (Garnelio)
Reply
from Kevin (Garnelio)

Hallo Lars, vielen Dank fuer deine Frage! In einem Becken dieser Groesse koennen sie mit ausgewachsenen Antennenwelsen gepflegt werden. 

Weibchen

Question: "I am thinking of buying cherax quadricarinatus but is it possible to ship them at this time of cold winter to Finland?"

from Kevin (Garnelio)
Reply
from Kevin (Garnelio)

Hello Hayklo, thank you for your question! Currently that is not possible, we are working on a method though and will offer this in the future. 

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Question: "kann man rotscherenkrebse mit barsche halten..."

from Kevin (Garnelio)
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from Kevin (Garnelio)

Hallo Juergen, vielen Dank fuer deine Frage! Nein, hier kommt es zu Territorialstreitigkeiten und Verletzungen. 

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28 Jun 2019

Es scheint alles gut zu s...

Es scheint alles gut zu sein,der Krebs ist lebhaft und gut zu wege.

27 Jun 2019

sehr schönes Tier, gerne...

sehr schönes Tier, gerne wieder

27 Jun 2019

sehr schönes Tier, gerne...

sehr schönes Tier, gerne wieder

2 Jan 2019

Das Tier ist quicklebendi...

Das Tier ist quicklebendig bei mir angekommen. Die Verpackung ist selbst für kalte Wintertage sehr gut!!

2 Jan 2019

Das Tier ist quicklebendi...

Das Tier ist quicklebendig bei mir angekommen. Die Verpackung ist selbst für kalte Wintertage sehr gut!!

3 Dec 2015

Sehr schönes Tier,Sehr schneller Versand,1A Verpackung

9 Jun 2015

Sehr schnelle Lieferung! ...

Sehr schnelle Lieferung!
Einwandfreie Abwicklung. Gerne wieder.

9 Jun 2015

Sehr schnelle Lieferung!...

Sehr schnelle Lieferung!

9 Jun 2015

Die Bestellung wurde sehr...

Die Bestellung wurde sehr schnell bearbeitet , und auch Versendet.
War sehr zufrieden!

31 Jan 2015

Farbe nicht so wie auf de...

Farbe nicht so wie auf den Bildern aber sonst super

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