National Fisherman

BOSTON - A mystery of sorts threatens to stunt Massachusetts' small but growing oyster industry after illnesses linked to bacterial contamination forced the state to shut down beds for the first time ever.
 
The culprit is the Vibrio parahaemolyticus bacterium, which has occurred in state waters since the 1960s. Theories abound about the recent increase in illnesses linked to Massachusetts -- but those are only theories.
 
"Honestly, I'm confused by the whole thing," said Don Merry, an oyster grower from Duxbury, where oyster beds have been closed.
 
Average monthly daytime water temperatures in the region rarely approach the 81 degrees believed to be the threshold that triggers dangerous Vibrio growth. Rising average water temperatures locally, while not reaching that threshold, could be causing environmental changes that cause strains of Vibrio to thrive, said Suzanne Condon, associate commissioner of the Department of Health.
 
In addition, virulent Vibrio strains that aren't as temperature-sensitive may have been carried from overseas in ships' ballast water in the past decade, said the state's chief shellfish biologist, Michael Hickey.
 
Read the full story at Portland Press herald>>

National Fisherman Live

National Fisherman Live: 11/06/14

In this episode:

NOAA report touts 2013 landings, value increases
Panama fines GM salmon company Aquabounty
Gulf council passes Reef Fish Amendment 40
Maine elver quota cut by 2,000 pounds
Offshore mussel farm would be East Coast’s first

 

Inside the Industry

Fishermen in Western Australia captured astonishing footage this week as a five-meter-long great white shark tried to steal their catch, ramming into the side of their boat.
 
Read more...
EAST SAND ISLAND, Oregon—Alexa Piggott is crawling through a dark, dusty, narrow tunnel on this 62-acre island at the mouth of the Columbia River. On the ground above her head sit thousands of seabirds. Piggott, a crew leader with Bird Research Northwest, is headed for an observation blind from which she'll be able to count them.
 
Read more...
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