Quagga Facts/ Trivia Table

Quagga Facts- Trivia Table

DISCRIPTION	TYPE	DATE	REFERENCE	NOTES
Quagga first discovered in Lake Mead on Jan 6-07.	Hoover	01-11-2007	LVRJ_Mussel Infestation	Found on anchor cables
Quagga and Zebra Mussel larvae called veligers.	General	NA	TBD	TBD
Zebra Mussels have caused billions of dollars in damage in the Great Lake Region.	Zebra	01-11-2007	LVRJ_Mussel Infestation	Cost to power industry more then $3billion between 93-99. $5billion impact to industries, businesses, & Communities.
Zebra Mussels can survive in warm waters as (86'F)	Zebra	05-02-2008	USBR_Quagga Action Plan	Cannot tolerate freezing- above (54'F) to reproduce.
Dreissena mussels can accelerate corrosion.	General	05-02-2008	USBR_Quagga Action Plan	acidic compound produces corrosion and pitting of iron and steel surfaces.
Quagga can be found at various depths.	General	05-02-2008	USBR_Quagga Action Plan	As long as oxygen is present.
Quagga and Zebra prefer to avoid light	General	05-02-2008	USBR_Quagga Action Plan	...below the depth that light penetrates water.
Dreissena mussels can spread.	General	05-02-2008	USBR_Quagga Action Plan	Larvae flow downstream, adults attach to boats, anchors, etc...
Quagga may be able to survive water as warm as (86'F).	General	05-02-2008	USBR_Quagga Action Plan	Cannot tolerate freezing- above (48'F) to reproduce.
"Quagga Mussel" name	General	05-02-2008	USBR_Quagga Action Plan	Named from "quagga", an extinct African relative of the zebra.
Mussel species can survive 3-5 days out of water.	General	05-02-2008	USBR_Quagga Action Plan	Depending on water conditions.
Dreissena mussel costs to the US	General	05-02-2008	USBR_Quagga Action Plan	from $500 million to $5 billion per year.
Dreissena mussels can have positive aspects	General	05-02-2008	USBR_Quagga Action Plan	can accumulate contaminants and improved water clarity.
Zebra Mussels originally came from Europe (Ukraine).	General	TBD	TBD	Came from large oceangoing vessels headed for the Great Lakes Region. Noted in 1989.
Quaggas can recognize that chemicals are bad for them.	Chlorine	06-23-2008	LVSun_Quagga last meal	They close up and often avoid ingesting enough ot it to kill them.
Chemicals include detrimental effects on environment.	Chlorine	06-23-2008	LVSun_Quagga last meal	Chlorine can form cancer-causing carcinogens when combined with organic matter in the water supply.
Bacterium produces a toxin that kills Quagga and Zebra	Bacterium	06-23-2008	LVSun_Quagga last meal	Chlorine can form cancer-causing carcinogens when combined with organic matter in the water supply.
Bacterium tests in New York power plants in 2006 successful	Bacterium	06-23-2008	LVSun_Quagga last meal	Killed up to 90% of Zebra and 70% of Quagga.
Bacterium may have a better kill rate in Southwest	Bacterium	06-23-2008	LVSun_Quagga last meal	Kill rate is higher in warm, hard water.
Bacterium Tests from USBR at Hoover and Davis- Fall 2008	Bacterium	06-23-2008	LVSun_Quagga last meal	...powerplants and water facilities as soon as late 2009 or early 2010.
Bacteria produce natural compounds that kill mussels when ingested.	Bacterium	06-03-2008	USBR_Mussel Task Force	It destroys the mussels' digestive system.