Atyopsis moluccensis

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Wrote by Tipic, translated by Logow

Atyopsis moluccensis
(De Haan, 1849)

Atyopsis moluccensis Synonyms :

  • Atya armata Milne-Edwards, 1864
  • Atya bisulcata Hickson, 1889
  • Atya gustavi Ortmann, 1890
  • Atya lineolata De Man, 1892
  • Atya moluccensis De Haan, 1849

See taxonomy

Common names :

  • Molukken-Bergbachgarnele
  • Radargarnele
  • Crevette cuivrée
  • Crevette pierre
  • Wood Shrimp

Origin : Indo pacific regions ; India, Sri Lanka, Thailand, Malaysia, Sumatra, Java, Bali, Sulawesi , Borneo, Philippines, New Caledonia, Fiji, New Guinea.

Water specifications :

  • pH : 6.5 to 7.5
  • GH : 6 to 15
  • Temperature : 22 to 28°C / 71.6 to 82.4 °F

Size :

  • Male : 8cm
  • Female : 8cm

Description : Characteristic shape of the shrimps belonging to the Atyopsis genus, with a short rostrum and a background colouration going from orange to tan. The first and second set of periopods (walking legs) are equipped with fine hairs that the shrimp can open like a fan to filter micro-particles floating in the water. Atyopsis moluccensis The third pair of periopods is very developed but doesn’t bear claws. A line goes through the body from the rostrum to the telson. Specie that favours strong currents in it’s habitant.

Behaviour : Excellent gregarious specie must absolutely live in groups of 4 individuals of the same specie no less. Considering the size of this shrimp a large enough habitat should be provided. Cohabitation with small fish specie isn’t problematic at all.

Life span : > to 2 years

Feeding habits : Filters decaying particles.

Sexual dismorphism : The third pair of periopods is larger in males. Females are a bit bigger than males.

Reproduction : Reproduction is of the indirect type necessitating a planctonic stage in salt water conditions. To this day there are no reports of successful breeding in captivity.

Specificity : This shrimp will favour spots facing strong currents, where it will gather particles by using it’s fanned legs. Atyopsis moluccensisOften mistaken for Atyopsis spinipes, they are however two distinct species (See this article). The authors Andreas Karge and Werner Klotz refer to different distinctive traits such as the geographic localisation, the physical traits (rostrum, spikes, pleopods and so forth) and the environmental traits (habitant, favourite spots).


Links :


Sources (Bibliography) :

  • Sußassergarnelen aus aller Welt, Andreas karge & Werner Klotz (page 59)
  • Garnelen & Krebse, Christian W. Hofstätter.
  • Shrimps, Crayfishes and Crabs in the freshwater aquarium (Aqualog Special), Uwe Werner, Aqualog Verlag, 2ème edition, 2003, pg 20

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