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July 14, 2015

United States

Questions about Tiger Shrimp in the Western Hemisphere

 

   

 

For the past two decades, commercial shrimp fishermen on the southeast and Gulf coasts of the United States have been catching increasing numbers of non-indigenous, giant tiger shrimp (Penaeus monodon).  Native to the Indian Ocean and the southwestern Pacific Ocean from Japan to Australia, P. monodon is the largest (maximum length 363 millimeters) and fastest growing of the farmed shrimp.  Because of its large size and carnivorous feeding behavior, USA commercial fishermen fear that tiger shrimp might be preying on their catches of pink, white and brown shrimp, or that they might be passing on diseases to them.

 

Do any of you know of any incidences where tiger shrimp have preyed on any life-stage of another penaeid shrimp or passed on disease to them?

 

Have any of you ever seen a tiger shrimp attack and eat another species of penaeid shrimp?

 

There’s a well know fishery along West Africa’s coast for non-indigenous tiger shrimp.  Do any of you know if that fishery has affected the fishery for the indigenous (native) shrimp?

 

Finally, it’s been over a year since I’ve heard anything about catches of tiger shrimp off the east coasts of Mexico and South America or in the Caribbean Sea.  If you know anything about the catches of tiger shrimp in those areas, please forward that information to me.

 

If you would like to comment on any of this, please forward your comments to Shrimp News (bob@shrimpnews.com).

 

I plan to post your responses to these questions to this webpage.

 

Some Background Information from 2006.  Who’s Got the Biggest Monodon?

 

Source: Bob Rosenberry, Shrimp News International, July 13, 2015.

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