Preliminary observations on the larval cycle of arrow crab Stenorhynchus seticornis (Herbst, 1788) (Decapoda: Brachyura: Majidae) in laboratory


  • George Nilson Mendes Professor adjunto do Departamento de Zoologia, Laboratório de Aq-­¼icultura, Departamento de Zoologia -  CCB -  UFPE
  • Anita Rademaker Valença


Sternorhynchus seticornis, Majidae, larvae culture, marine ornamental, aquarium


The aim of this work was close the larval cycle of Stenorhynchus seticornis using techniques developed for commercial prawn Macrobrachium rosenbergii. The Stenorhynchus seticornis larvae came from a spawn in aquarium in Aquaculture Laboratory of the Federal University of Pernambuco. Fifty larvae were transferred to a circular vessel with two liters of water in the same conditions of spawn. Means values for water quality parameters were: 28.7°C for temperature, 6.7 mg/L oxygen, 35.1‰ salinity, 8.4 pH and 0.01 mg/L ammonium. The larvae were fed ad libitum with chopped fish and nauplius of Artemia sp. three times a day. The first megalopa occurred after ten days and 50% of survivors passed to megalopa stage after twelve days. The final survival was 30%. The present findings demonstrate that this crab may be cultured using standard techniques developed for commercial prawn Macrobrachium rosenbergii industry and has also potential to ornamental aquaculture.


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