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March 25, 2015

Indonesia

Research—Traps for Spiny Lobster Seedstock

 

From Abstract: Spiny lobster farming relies on trapping wild postlarvae (puerulus) for seedstock.  In Indonesia, particularly on the island of Lombok, a wild seedstock fishery has been established that supports the local lobster farming industry.  Anecdotal evidence suggests water depth may be an important factor in the placement of the postlarvae traps.  This paper reports on an experiment that examined the effect of depth and trap type on the effectiveness of traps at the end of the wet season, when postlarvae abundance is greatest.  Four trap types were deployed at five depths: one meter below the surface, two meters below the surface, in the middle of the water column, one meter above the sea floor and touching the sea floor.  Significant differences for depth and trap type were found for the primary species caught, Panulirus homarus and P. ornatus.  The greatest catch of homarus was on the sea floor using cement paper traps.  For ornatus, catch rate was less strongly correlated with a specific depth or trap type, although the catch was highest at or near the sea floor in cement paper traps.

 

Source: Aquaculture.  The Effect of Trap Type and Water Depth on Puerulus Settlement in the Spiny Lobster Aquaculture Industry in Indonesia (Short Communication).  Bayu Priyambodo  (b.priyambodo@student.unsw.edu.au, School of Biological, Earth and Environmental Sciences, The University of New South Wales, Sydney, NSW 2052, Australia), Clive Jones and Jesmond Sammut.  Pages 132–137, May 1, 2015.

 

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