Macrobrachium cf. scabriculum

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Wrote by Tipic, translated by Logow

Macrobrachium cf. scabriculum
(Heller, 1862)

Macrobrachium cf. scabriculum femelleMacrobrachium cf. scabriculum mâle Synonyms :

  • Palaemon scabriculus Heller, 1862
  • Palaemon dolichodactylus Hilgendorf, 1879
  • Palaemon scabriculus De Man, 1897
  • Palaemon dubius Henderson & Matthai, 1910
  • Palaemon dolichodactylus J. Roux, 1934

See taxonomy

Common names:

  • Chamäleongarnele
  • Crevette Caméléon
  • Bouquet Goda
  • Goda river prawn

Origin : Sri Lanka, India, Malaysia, Sumatra, North Borneo and Philippines.

Carte Macrobrachium cf. scabriculum

Water specifications :

  • pH : 6.5 to 8
  • GH : 6 to 15
  • Temperature : 18 to 24°C / 64.4 to 75.2 °F

Size :

  • Male : 12 cm (Much more slender claws, see picture)
  • Female : 6-7 cm

Description : Characteristic shape of the shrimps belonging to the Macrobrachium genus, Massive rostrum of medium length and very developed claws. The colouration background is more or less dark brown. A lighter dorsal line goes all the way from the rostrum to the telson. A half circle shape cream coloured lined with black/brown marks the third segment of the abdomen. The legs and claws can show a slight blue shade. The external edges of the uropods are underlined with a cream coloured line.Vue sur l'abdomen de la femelle

Behaviour : aggressive ; territorial specie, must absolutely live in couples or trios (one male for two females) in tanks of 80 cm * 30 cm. The aggressivity towards females shouldn’t be excluded. The tank must offer a certain amount of hideouts. Be careful with tank mates such as fish, even if I have no problems with that myself, a nip towards a fish that comes a bit to close is certainly not to exclude. The breeder Jürgen Böhm doesn’t recommend cohabitation with fish smaller than 10cm (see on Wirbellose.de).

Life span : > a 1 year

Feeding habits : Omnivorous, it spends its time collecting food on plants and directly on the tank floor. Will accept dried or frozen fish food very easily. This is a greedy specie and beware of cohabitation with snails.

Sexual dismorphism : The males are larger than the females, and have massive claws. Some specimens show an over sized claw on which dense hairs can be easily seen.

Femelle grainée Reproduction : This specie uses an indirect reproduction type. The development goes through a salt water larval stage. The complete development of the young to integrate a benthic life goes though several larval stage. Young are small and abundant. We do not know any reports of successful breeding in captivity.

Specificity : The Macrobrachium scabriculum was initialy described by Heller, (1862) on specimens collected in Sri Lanka. The “Scabriculum” group is composed of three distinct species ; M. scabriculum (Heller, 1862), M. dolichodactylus (Hilgendorf, 1878) and more recently M. lanatum Cai & Ng, 2002. The status of the two shrimps M. scabriculum and M. dolichodactylus has been controversial for a while. The three species are collected in identical rivers with for instance 16 M. scabriculum against 1 M. dolichodactylus fished on the Tioman island (Yeo and al., 1999) . The morphological differences exist, but it is necessary to be able to study a certain number of mature specimens. The three species present characteristic hairs strongly developped on the claws and a similar background colouration. The studies conducted by Yeo and al. en 1999 and Cai & Ng in 2002, on the species forming this group has permitted the validation of their status.

M. cf. scabriculum pince déployée


Links :


Sources (Works) :

  • Süßwassergarnelen aus aller Welt, Auteurs, Andreas Karge et Werner Klotz (p. 155)

Sources (Scientific literature) :

  • The freshwater and terrestrial Decapod Crustacea of Pulau Tioman, Peninsular Malaysia, Auteurs : Yeo. et al. The Raffles bulletin of zoology 1999 Supplement No. 6: 197-244
  • Report on a collection of freshwater shrimps from the Philippine, with descriptions of four new species, Auteurs : Cai et Shokita. The Raffles bulletin of zoology 2006 54 (2): 245-270
  • Shrimps and the prawn of the world, Auteur : L.B. Holthuis. FAO Fisheries Synopsis 1980 No. 125, Volume 1.

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