Tiger Crab - Cherax peknyi
Tiger Crab - Cherax peknyi
Tiger Crab - Cherax peknyi
Tiger Crab - Cherax peknyi
Tiger Crab - Cherax peknyi
Tiger Crab - Cherax peknyi
  • beautifully patterned crab
  • fascinating colors
  • compatible and peaceful
  • from 80 cm aquarium length

Tiger Crab - Cherax peknyi

| 9 answered questions
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Tiger Crab - Cherax peknyi
Although the trival name "Tiger Crab" seems infinitely mysterious and colorful, Cherax peknyi is a very peaceful crayfish that can easily be socialized with peaceful fish species and shrimp. The bulky, large claws are used for impressing and digging rather than harming other tank inhabitants. The species was first scientifically described in 2008 and is named after Dr. Reinhard Pekny, a scientist who has done great service to crayfish in particular and decapods in general. - Garnelio
Description

Cherax peknyi (formerly known as Cherax sp. zebra or Cherax sp. tiger) is without a doubt one of the most striking and particularly beautifully marked crayfish from Papua and Papua New Guinea. The  with 10-12 cm body length rather medium sized tiger crayfish, also called zebra c rayfish, is a quite peaceful fellow with very interesting social behavior. Cherax peknyi often lives a bit secluded and is rather crepuscular at the beginning. If it is not disturbed much, it can be seen especially at feeding times but also more often during the day. With its light to bluish claws, orange joints, blue-grey to brown-orange carapace and dark abdomen with light bands Cherax peknyi looks absolutely fascinating. Because of small differences in the width of these bands, it was previously thought that they might be two different species  (tiger crabs and zebra crabs). These variants come from different locations, but they both belong to the species Cherax peknyi. The males of Cherax peknyi have somewhat more bulky claws than the females, but can be determined with certainty only by their sexual openings. These so-called gonopores are located between the attachments of the third pair of legs in males, in female tiger crabs they are located further back, at the attachment of leg pair number five.

Cherax pekni can be socialized with peaceful ornamental fish and dwarf shrimp without problems. Snails are part of its natural diet, it likes to crack them. The tiger shrimp does not get along with crabs, large-armed shrimps and fan shrimps. If you also keep crayfish from the American continent, you must take good care that neither they nor the water from their aquarium come into contact with Cherax peknyi. They can transmit crayfish plague, an algal fungus that would inevitably kill Cherax peknyi.

A pair of these beautiful and interesting crayfish can be kept in a well and varied aquarium with an edge length of 80 cm or more. Cherax peknyi does not eat plants, but if there are not enough hiding places, it can happen that it digs a cave and digs up plants. This can be prevented with a good setup with roots, stones and crayfish bur rows. The aquarium must be covered without gaps so that the tiger crayfish cannot escape. Contrary to expectations, they climb extremely well and also come up in places where you do not expect them to. Cherax peknyi tolerates a wide range of water values and a pH of 6.5 to 8. The temperature should not drop below 20 °C even for a short time and should not exceed 25 °C permanently either.

The tiger crayfish is not difficult to breed, but the gestation period of the females is quite long, up to six weeks. Between 40 and 80 young crayfish hatch, which remain with the mother after hatching and only become independent after a few days. They grow very slowly and take a long time to become sexually mature. Since they are easily cannibalistic, a lot of hiding places are needed in the rearing tank. A layer of brown autumn leaves is very useful, it not only provides cover from conspecifics, but also food.

Furthermore, growing Cherax peknyi eat mainly animal food, while the adults prefer almost exclusively vegetable food. They gladly accept special crayfish food, but also all kinds of sticks, foliage and vegetables like pumpkin or spinach, scalded nettles, dandelion, frozen food, ..

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 peknyi Lukhaup & Herbert, 2008
German name: Tiger crab, zebra crab
Difficulty level: suitable for beginners
Origin/Distribution: Papua (Indonesia), Papua New Guinea
Coloration: gray-blue to orange-brown head-chest carapace, dark abdomen with fine or broad white horizontal stripes, legs and claw arms blue with orange joints, claws white to bluish
Age expectancy: 2 to 5 years
Water parameters: GH 6 to 20, KH to 20, pH 6.5 to 8, temperature 20 to 25 °C
Tank size: from 80 cm for a pair, however, we recommend a size of at least 100 cm for successful breeding
Food: Natureholic crayfish food, brown autumn leaves, nettles, flake food, granulated food or food tabs, vegetables, frozen food
Reproduction: relatively easy, after four to six weeks 40 to 80 young crayfish hatch, needing lots of hiding places
Behavior: very compatible
Socialization: with shrimp, possibly with peaceful to medium sized fish
Further information Sex differences crayfish, shrimp, crayfish, snails & mussels feed properly, Cherax aquarium crayfish - keeping in the aquarium
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Customer reviews (6)
5 von 5
Durchschnittliche Bewertung
11 Jun 2019

Wunderschöne u. grosse K...

Wunderschöne u. grosse Krebse erhalten. Gerne wieder!

18 Jul 2018

Tigerkrebs

Sehr tolles Tier! Sehr schöne intensive Farbe.????????

13 Jan 2018

Super

ein tolles, aktives und gesundes Tier. Immer wieder gerne

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Tiger Crab - Cherax peknyi

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Tiger Crab - Cherax peknyi

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Question: "Hallo kann man die Krebse bei Zimmertemperatur und Leitungswasser mit Filteranlage mit Garnelen halten? "

from Kevin (Garnelio)
Reply
from Kevin (Garnelio)

Hallo Claudia, vielen Dank für deine Frage! Wir empfehlen für die Tiere eine Pflege ab mindestens 20 Grad. Kannst du diese ganztägig im Raum gewährleisten ist eine zusätzliche Heizung nicht notwendig.

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Question: "Hallo, verträgt sich die Rasse auch mit dem Blue Tip" Tigerkrebs - Cherax peknyi var. "Blue Tip" ? "

from Kevin (Garnelio)
Reply
from Kevin (Garnelio)

Hallo Milena, vielen Dank für deine Frage! Ja, auch mit dieser Art kann man die Tiere zusammen halten. 

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Question: "Hallo, kann man auch nur 2 weibliche Tiere in einem Becken halten oder vertragen die sich nicht? "

from Kevin (Garnelio)
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from Kevin (Garnelio)

Hallo Milena, vielen Dank für deine Frage! Auch zwei weibliche Tiere kann man zusammen halten. 

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11 Jun 2019

Wunderschöne u. grosse K...

Wunderschöne u. grosse Krebse erhalten. Gerne wieder!

18 Jul 2018

Tigerkrebs

Sehr tolles Tier! Sehr schöne intensive Farbe.????????

13 Jan 2018

Super

ein tolles, aktives und gesundes Tier. Immer wieder gerne

17 Dec 2017

schnelle Lieferung, gute Qualität UND Größe sehr gut. Sehr gute verpackt.

Top.Gerne wieder.

4 Sep 2016

Sehr schöne gefärbte und friedliche Tigerkrebse,

Wir haben uns vor gut einem Monat erst ein Pärchen und 1Woche später ein weiteres Pärchen dieser tollen Tigerkrebse geholt. Wir sind sehr zufrieden damit, beim ersten Pärchen trägt das Weibchen bereits. Sind schon sehr gespannt auf den Nachwuchs.

18 Dec 2014

Muntere Kerlchen !

habe heute zwei von diesen schönen tieren bekommen... super verpackt, aller dings waren die beiden noch etwas benommen. der eine wandert jetzt munter durchs aquarium und der andere erholt sich auch langsam.

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