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EEK! - Critter Corner - Water Flea or Daphnia
Daphnia . Wonderful Wacky Water Critters Water Flea or Daphnia Did you ever itch to catch a water flea? The name water flea is a nickname; it is also called a daphnia. These tiny critters are part of the freshwater plankton. A daphnia swims in a jerky motion, using branched antennae while eating algae, microscopic animals and organic debris. Watch its ...
www.dnr.state.wi.us

EEK! - Critter Corner - Alien Invaders: Spiny Water Flea
Alias (scientific name in latin): Bythotrephes (bith-o-TREH-feez) cederstroemi; other aliases: Spiny Tailed Water Flea Home Land (origination): Great Britain and northern Europe east to the Caspian Sea. Arrival ... about 1 centimeter in length and are active from late spring to late fall. Spiny water fleas can rapidly reproduce in summer because adult females can produce young without mating, when ...
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Spiny Water Flea in the Great Lakes Region
"Daphnia" zooplankton. Spiny water fleas also reproduce rapidly. During warm summer conditions each female can produce up to 10 ... eggs and adults. Photo credits: Single Bythotrephes specimen, U.S. Fish and Wildlife Service; Spiny Water Flea on downrigger cable; Jeff Gunderson, Minnesota Sea Grant. References: A Field Guide to Aquatic ...
www.great-lakes.net

Harmful Aquatic Hitchhikers: Crustaceans: Spiny Water Flea and Fishhook Water Flea
Top of Page How do water fleas affect recreational users? NOAA, Great Lakes Environmental Research Laboratory Click image to enlarge Anglers - ... to enlarge Both hitchhikers come from north-eastern Europe. Confirmed reports have shown the fishhook water flea to be limited to Lake Ontario, Lake Michigan and several inland lakes in New ...
protectyourwaters.net

july_december2003_articles
Jars of mud may reveal contamination 10/22 - Great Lakes needs protection from foreign ships' water 10/22 - Michigan Senate proposes increased recycling 10/21 - Innovations sought to address toxic air pollution 10 ... 8 - Great Lakes toxic dangers hard to pinpoint 10/8 - Education will fight water fleas 10/7 - Exotic water flea hops to inland waters 10/7 - Pollution fails to hinder park plans in ...
www.greatlakesdirectory.org

Great Lakes environmental issues- articles Jan-May 2002
Ontario Shore Woes (NY) 4/29 - GLA Program Simplifies Ecology For Kids (MN) 4/29 - Foreign water flea hits Ontario lakes (ON) 4/28 - Commission created to enhance state canals (NY) 4/28 ... Detroit River International Wildlife Refuge Created 1/2 - ACTION ALERT: Protecting Roadless Areas 1/2 - Future water shortages could foster new conflicts 1/2 - New technique will detect dangerous mercury levels (MI) ...
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IISG - Archived Press Releases
DNA Fingerprinting May Lead to Fewer Beach Closings - May 31, 2002 Tri-State Accord Agencies Face Water Shortage - May 2, 2002 Sea Grant Funding Seeds Coastal Projects - April 19, 2002 Beware! Invaders! ... , 2001 Predicting Urban Sprawl in Top 20 U.S. Coastal Cities - December 5, 2000 New Water Flea Invades Southern Lake Michigan - October 26, 1999 Sea Grant Confirms Methods to Help Identify Source ...
www.iisgcp.org

Exotics-nonindigenous creatures invading the Great Lakes -
Sea lamprey has caused major destruction. photo courtesy SeaGrant Spiny Water Flea Bythotrephes (bith-o-THEH-freez) may adversely affect our ecosytem, owning to competition for ... Mussel introduced into the Great Lakes in 1985 /1986, by transoceanic ship discharge of ballast water , have cost millions in damage. photo courtesy GLNPO RUFFE Ruffe Eurasian ruffe may pose a ...
www.great-lakes.org

Site Index
Committee meeting minutes (1992-1998) Ruffe Control Program Ruffe Surveillance in the Great Lakes, 1998 Sea Grant Non-indigenous Species Site Sea Lamprey Southeastern Biological Science Center: (NAS) Spiney Water Flea Zebra Mussel Aquatic Nuisance Species Handbook for Government Officials this is a pdf file type requiring Adobe Acrobat Reader - downloadable file. Also takes a while to download ...
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Rusty Crayfish in the Great Lakes Region
Lake Superior Also: Lake St. Clair Rusty Crayfish in the Great Lakes Region Overview | General Resources | Related Resources Select a species: Crustaceans: Cercopagis pengoi | Rusty Crayfish | Spiny Water Flea Fish: Common Carp | Goby | Ruffe | Sea Lamprey | White Perch Mollusks: Zebra Mussel Plants: Curly-leaf Pondweed | Eurasian Watermilfoil | Flowering Rush | Purple Loosestrife [Invasive ...
www.great-lakes.net