[Taxacom] lionfish (and robot hunter-killers for conservation)

Kenneth Kinman kinman at hotmail.com
Mon Aug 27 20:23:23 CDT 2018


     It sounds somewhat similar to the lionfish "zapper" that stuns the iionfish and sucks it into a collection chamber.  However, the zapper is not autonomous.  But both devices look fairly expensive, compared to teams of scuba-diving hunters (like the reefrangers) who can get by with just simple spears.  I guess each method has advantages and disadvantages.

       But whatever the method, can it keep up with an increasing population of lionfish?  A female can apparently produce over a million eggs a year and the larvae can disperse over long distances.

                           -----------------Ken


lionfish zapper:  https://www.pbs.org/newshour/science/lionfish-zapper-hits-open-seas



________________________________
From: Taxacom <taxacom-bounces at mailman.nhm.ku.edu> on behalf of John Grehan <calabar.john at gmail.com>
Sent: Monday, August 27, 2018 6:42 PM
To: taxacom
Subject: [Taxacom] robot hunter-killers for conservation

Apologies if this is a little off topic, but most taxonomists have some
interest in species conservation. so hopefully this will be excused. Just
came to my attention that some student researchers are developing an
autonomous robot to hunt invasive lion-fish in coral reef communities.
Computer vision will enable the robot to spot the fish and jab them with
one of its eight spears. Each spear is detachable and buoyant so each kill
rises to the surface. Not in action yet, but an interesting possibility.
Just hope no one ‘reprograms’ them.
John Grehan
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