National Sea Grant Network Exotic Species Graphics Library
This library contains slides of just some of the invasive species. These slides may saved from the SGNIS site with the understanding that the usage will be reserved for non-profit means. The slides can be saved directly from our site, or if a high-quality image is desired, you may contact Angela Archer at amcbride@purdue.edu or 765-496-3722.
You do not need to contact SGNIS to obtain permission to use these images. However, please use the image credits as a courtesy to those generous individuals who have supplied these graphics.
By clicking on any of the these headings, you will be taken directly to that section of slides.
Zebra Mussel |
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ZM-S1.
Zebra mussel title slide—zebra mussels attached to native clam with
words "Zebra Mussel" overprinted. Photo Credit: GLSGN Exotic Species Library Organization: U.S. Fish and Wildlife Service |
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ZM-S2. Zebra mussels attached to pipe found in Lake Erie at
Sterling State Park, MI. Photo Credit: Craig Czarnecki Organization: Michigan Sea Grant |
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ZM-S3. End view of zebra mussels clogging pipe. Photo Credit: Craig Czarnecki Organization: Michigan Sea Grant |
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ZM-S4. Cut away of 2 inch pipe sample clogged with zebra
mussels. Photo Credit: Don Schloesser Organization: Great Lakes Science Center, National Biological Services |
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ZM-S5. Bell housing of a pumping well fouled with zebra
mussels. Photo Credit: Ron Peplowski Organization: Detroit Edison, Monroe Michigan Power Station |
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ZM-S6. Worker removing zebra mussels from Detroit Edison
water intake pipes. Photo Credit: Ron Peplowskiz Organization: Detroit Edison, Monroe Michigan Power Station |
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ZM-S7. Worker removing zebra mussels from Detroit Edison
water intake pipes (wide-angle view). Photo Credit: Ron Peplowski Organization: Detroit Edison, Monroe Michigan Power Station |
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ZM-S8. Condenser tube sheet with zebra mussel fouling. Photo Credit: Ron Peplowski Organization: Detroit Edison, Monroe Michigan Power Station |
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ZM-S9. Mussels on the lower unit of an inboard/outboard
engine. Photo Credit: Steve Krynock Organization: Unknown |
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ZM-S10. Crayfish covered with zebra mussels. Photo Credit: GLSGN Exotic Species Library Organization: Ontario Ministry of Natural Resources |
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ZM-S11. Car encrusted with zebra mussels. Photo Credit: R. Griffith Organization: Ontario Ministry of Natural Resources |
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ZM-S12. Zebra mussels covering golf ball. Photo Credit: Anthony Ricciardi Organization: McGill University |
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ZM-S13. Zebra mussels on stick. Photo Credit: David Jude Organization: Center for Great Lakes Aquatic Sciences (CGLAS) |
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ZM-S14. Zebra mussel cluster on rock with ruler. Photo Credit: Joseph Leach Organization: Ontario Ministry of Natural Resources |
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ZM-S15.
Clump of zebra mussels on native clam. Photo Credit: David Jude Organization: Center for Great Lakes Aquatic Sciences (CGLAS) |
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ZM-S16. Close up of zebra mussels on stick with blue
background. Photo Credit: S. van Mechelen Organization: University of Amsterdam, The Netherlands |
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ZM-S17.
Zebra mussels on native clam on beach. Photo Credit: Fred Snyder Organization: Ohio Sea Grant |
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ZM-S18.
Adult zebra mussels encrusting a rock. Photo Credit: J. Ellen Marsden Organization: Lake Michigan Biological Station |
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ZM-S19. Cluster of zebra mussels on small rock. Photo Credit: J. Ellen Marsden Organization: Lake Michigan Biological Station |
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ZM-S20. Cluster of zebra mussels on beach at Maumee Bay State
Park, OH, following Lake Erie seiche. Photo Credit: Carol S. Allaire Organization: Michigan Sea Grant |
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ZM-S21. Zebra mussels attached to aquatic weeds. Photo Credit: Charles Ramcharan Organization: Wisconsin Sea Grant |
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ZM-S22. Zebra mussels on aquatic weeds next to metric ruler for size comparison Photo Credit: Charles Ramcharan Organization: Wisconsin Sea Grant |
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ZM-S23. Aquatic weed (macrophyte) covered with zebra mussels. Photo Credit: Ladd Johnson Organization: NOAA/Great Lakes Environmental Research Laboratory |
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ZM-S24. Aquatic weeds (macrophytes) caught on a boat trailer
at a Lake St. Clair boat access. Photo Credit: Ladd Johnson Organization: NOAA/Great Lakes Environmental Research Laboratory |
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ZM-S25.
Zebra mussels attached to shipwreck’s wooden
hull. Grid is standard underwater framer with a 1:3 magnification. Grid was placed in
contact with zebra mussel when photo was taken, size should be exact. Boxes are 1 cm per
side. Photo Credit: Chet Childs Organization: Underwater Archaeological Society |
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ZM-S26. Zebra mussels filtering. Photo Credit: GLSGN Exotic Species Library Organization: Ontario Ministry of Natural Resources |
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ZM-S27. Colony of zebra mussels showing pseudofecal material. Photo Credit: J. Ellen Marsden Organization: Lake Michigan Biological Station |
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ZM-S28. Plexiglass 15 cm square plates used to sample settling
zebra larvae. Photo Credit: J. Ellen Marsden Organization: Lake Michigan Biological Station |
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ZM-S29. Zebra mussel buildup on sampler. Photo Credit: GLSGN Exotic Species Library Organization: Ontario Ministry of Natural Resources |
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ZM-S30.
Thirty cm diameter plankton net, 63 micron mesh, used
for sampling planktonic zebra mussel veligers. Photo Credit: J. Ellen Marsden Organization: Lake Michigan Biological Station |
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ZM-S31. Foot-deep windrows of zebra mussel shells on western
Lake Erie beach. Photo Credit: J. Ellen Marsden Organization: Lake Michigan Biological Station |
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ZM-S32.
Zebra mussels on Luna Pier beach, Michigan. Photo Credit: Stephen Stewart Organization: Michigan Sea Grant |
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ZM-S34.
Quagga mussel and zebra mussel/comparison. Photo Credit: J. Ellen Marsden Organization: Lake Michigan Biological Station |
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ZM-S35. Quagga mussel. Photo Credit: Bernie May Organization: Cornell University |
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ZM-S36. Variety of shell color morphs seen in zebra mussels in
North America Photo Credit: J. Ellen Marsden Organization: Lake Michigan Biological Station |
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ZM-S37. Ten zebra mussels ranging from pinhead size to 3 cm
(metric ruler in photo for size comparison). Photo Credit: Charles Ramcharan Organization: Wisconsin Sea Grant |
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ZM-S38. Single adult mussel in hand.
Photo Credit: Charles Ramcharan Organization: Wisconsin Sea Grant |
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ZM-S39. Single zebra mussel showing striping and byssal
threads. Photo Credit: GLSGN Exotic Species Library Organization: Ohio Sea Grant |
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ZM-S40. Zebra mussels from Lake Erie in normal feeding mode.
Note that young have successfully landed and attached to adult mussels. Photo Credit: David Dennis Organization: College of Biological Sciences, Ohio State University |
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ZM-S49. Zebra mussels on beach. Photo Credit: David Brenner Organization: Michigan Sea Grant |
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ZM-S51. Closeup of Zebra mussels on beach. Photo Credit: David Brenner Organization: Michigan Sea Grant |
Asian Carp |
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CARP1. Silver carp. Photo Credit: David Riecks Organizations: University of Illinois at Urbana-Champaign, Illinois-Indiana Sea Grant College Program |
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CARP2. Bighead carp on ruler Photo Credit: David Riecks Organizations: University of Illinois at Urbana-Champaign, Illinois-Indiana Sea Grant College Program |
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CARP3. Bighead carp on black background Photo Credit: David Riecks Organizations: University of Illinois at Urbana-Champaign, Illinois-Indiana Sea Grant College Program |
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CARP4. Two
bighead carp demonstrating a size comparison Photo Credit: David Riecks Organizations: University of Illinois at Urbana-Champaign, Illinois-Indiana Sea Grant College Program |
Zebra Mussel Veliger |
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ZMV-S1. Zebra mussel veligers under microscope: normal light vs. cross polarized light. |
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ZMV-S2. Zebra mussel veliger with copepods, diatoms, and
rotifers. Photo Credit: Charles Ramcharan Organization: Wisconsin Sea Grant |
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ZMV-S3. Zebra mussel veliger. Photo Credit: Ted Batterson Organization: Michigan State University |
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ZMV-S4.
Zebra mussel veliger (with 200 micron-algae at lower left). Photo Credit: Gordon Hopkins Organization: Ontario Ministry of Environment |
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ZMV-S5. Zebra mussel veligers with common planktonic
organisms-rotifers and ceratium. Photo Credit: J. Ellen Marsden Organization: Lake Michigan Biological Station |
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ZMV-S6. Zebra mussel veliger.
Photo Credit: GLSGN Exotic Species Library Organization: Ontario Ministry of Natural Resources |
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ZMV-S7. Post veliger stage showing zebra mussel "foot". Photo Credit: GLSGN Exotic Species Library Organization: Ontario Ministry of Natural Resources |
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ZMV-S8.
Zebra mussel veligers and ostracods under microscope using cross polarized
light. Photo Credit: Ladd Johnson Organization: NOAA/Great Lakes Environmental Research Laboratory |
Brown Mussel |
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BM_S1
Brown Mussels on a Pylon Photo Credit: Fish and Wildlife Service Organization: Fish and Wildlife Service |
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BM_S2 Brown Mussels on a Buoy Photo Credit: Fish and Wildlife Service Organization: Fish and Wildlife Service |
Bythotrephes cederstroemi |
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BC-S1. Bythotrephes title slide—single Bythotrephes with word
"Bythotrephes" overprinted. Photo Credit: GLSGN Exotic Species Library Organization: U.S. Fish and Wildlife Service |
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BC-S2.
Bythotrephes on downrigger cable. Photo Credit: Jeff Gunderson Organization: Minnesota Sea Grant |
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BC-S3. Bythotrephes on fishing line Photo Credit: GLSGN Exotic Species Library Organization: Great Lakes Sea Grant Network Exotic Species Graphics Library |
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BC-S4.
Single Bythotrephes. Photo Credit: J. Lindgren Organization: Minnesota DNR |
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BC-S5. Single Bythotrephes showing egg sac. Photo Credit: J. Lindgren Organization: Minnesota DNR |
Sea Lamprey |
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SL-S1. Sea lamprey title slide—head-on view of sea lamprey with words
"Sea Lamprey" overprinted. Photo Credit: GLSGN Exotic Species Library Organization: U.S. Fish and Wildlife Service |
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SL-S2. Sea lamprey mouth.
Photo Credit: GLSGN Exotic Species Library Organization: Great Lakes Sea Grant Network Exotic Species Graphics Library |
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SL-S3. Single sea lamprey on ruler showing size Photo Credit: GLSGN Exotic Species Library Organization: Great Lakes Sea Grant Network Exotic Species Graphics Library |
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SL-S4. Sea lamprey and damaged fish. Photo Credit: GLSGN Exotic Species Library Organization: Great Lakes Sea Grant Exotic Species Graphics Library |
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SL-S5.
Sea lamprey on lake trout. Photo Credit: GLSGN Exotic Species Library Organization: U.S. Fish and Wildlife Service |
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Neurons.
Sea lamprey neurons. Photo Credit: Dave Brenner Organization: Michigan Sea Grant |
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Lampricide Lampricide Photo Credit: Dave Brenner Organization: Michigan Sea Grant |
Round Goby |
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RG-S1. Round goby protecting its eggs inside hollowed out
tree trunk. Photo Credit: David Jude Organization: Center for Great Lakes Aquatic Sciences (CGLAS) |
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RG-S2. Round goby eggs. Photo Credit: David Jude Organization: Center for Great Lakes Aquatic Sciences (CGLAS) |
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RG-S3. Round goby in gloved hand. Photo Credit: David Jude Organization: Center for Great Lakes Aquatic Sciences (CGLAS) |
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RG-S4. Round goby - close-up of head. Photo Credit: David Jude Organization: Center for Great Lakes Aquatic Sciences (CGLAS) |
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RG-S5. Male round goby. Photo Credit: David Jude Organization: Center for Great Lakes Aquatic Sciences (CGLAS) |
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RG-S6. Close-up of round goby in fish tank. Photo Credit: David Jude Organization: Center for Great Lakes Aquatic Sciences (CGLAS) |
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RG-S7. Round goby cut open with zebra mussels inside. Photo Credit: David Jude Organization: Center for Great Lakes Aquatic Sciences (CGLAS) |
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RG-S09.
Round Goby on hard substrate. Photo Credit: Dave Brenner Organization: Michigan Sea Grant |
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RG-S10.
Closeup of Round Goby on hard substrate. Photo Credit: Dave Brenner Organization: Michigan Sea Grant |
Purple Loosestrife |
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PL-S1. Closeup of Purple Loosestrife. Photo Credit: Dave Brenner Organization: Michigan Sea Grant |
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PL-S2. Several second-year and first-year purple loosestrife plants
getting a foot hold in a newly formed river delta sand bar. No other vegetation. Photo Credit: Martha L. Walter Organization: Michigan Sea Grant |
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PL-S3.
Young purple loosestrife clump taking root in shallow water over a
sand bar. Photo Credit: Martha L. Walter Organization: Michigan Sea Grant |
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PL-S4. Purple loosestrife colonizing the sunny edge of an island willow
thicket. Photo Credit: Martha L. Walter Organization: Michigan Sea Grant |
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PL-S7. Close-up of dense stand of flowering purple loosestrife. Photo Credit: Martha L. Walter Organization: Michigan Sea Grant |
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PL-S8.
Close-up of flowering purple loosestrife stalk with bee. Photo Credit: Martha L. Walter Organization: Michigan Sea Grant |
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PL-S9 Beetle on leaf with words "Glaerucella Beetle" above Photo Credit: Kurt Stepnitz Organization: Michigan State University |
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PL-S10 Galerucella beetle on leaf Photo Credit: Kurt Stepnitz Organization: Michigan State University |
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PL-S12 Field of Purple Loosestrife Photo Credit: Dave Brenner Organization: Michigan Sea Grant |
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PL-S53 Purple Loosestrife Photo Credit: Dave Brenner Organization: Michigan Sea Grant |
Eurasian Watermilfoil |
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EW-S1. Weeds on Boat Motor. Photo Credit: Dave Brenner Organization: Michigan Sea Grant |
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EW-S3. Weed Choked Waterway. Photo Credit: Dave Brenner Organization: Michigan Sea Grant |
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EW-S4. A close-up of one fragment of milfoil with flowering stalk. Photo Credit: Wendy Crowell Organization: Department of Natural Resources, Minnesota |
Eurasian Ruffe |
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RF-S1 Eurasian ruffe Photo Credit: Gary Chowlek Organization: National Biological Service |
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RF-S03 Ruffe on ruler showing scale Photo Credit: Dave Brenner Organization: Michigan Sea Grant |
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RF-S05 Ruffe with penny showing scale Photo Credit: Dave Brenner Organization: Michigan Sea Grant |
Water Chestnut |
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WC-S1 Water chestnut choked bay, Lake Champlain, VT Photo Credit: Vermont Department of Natural Resources Organization: Vermont Department of Natural Resources |
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WC-S2 Mechanical harvester harvesting water chestnut from Lake Champlain, VT Photo Credit: Vermont Department of Natural Resources Organization: Vermont Department of Natural Resources |
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WC-S4 Water Chestnut Photo Credit: Dave Brenner Organization: Michigan Sea Grant |
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WC-S05 Branching Water Chestnut Photo Credit: Dave Brenner Organization: Michigan Sea Grant |
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WC-S7 Water chestnut choked bay, Lake Champlain, VT Photo Credit: Vermont Department of Natural Resources Organization: Vermont Department of Natural Resources |
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WC-S08 Spreading Water Chestnut Photo Credit: Dave Brenner Organization: Michigan Sea Grant |
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WC-S9 The Great blue heron on water chestnut, Lake Champlain, VT Photo Credit: Vermont Department of Natural Resources Organization: Vermont Department of Natural Resources |
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WC-S10 Floating Clump of Water Chestnut Photo Credit: Dave Brenner Organization: Michigan Sea Grant |
European Green Crab |
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GC-S3 Solitary green crab with brownish carapace and
yellow pigmented highlights Photo Credit: Paul G. Olin Organization: University of California Sea Grant |
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GC-S4 Solitary green crab with brownish carapace and yellow pigmented highlights Photo Credit: Paul G. Olin Organization: University of California Sea Grant |
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GC-S5 Four green crabs, two males on left showing
variability in pigmentation and the characteristic triangular shaped
abdomen. Females on the right showing egg mass attached to pleopods
(upper right), and the rounded abdomen in a female without eggs (lower
right) Photo Credit: Paul G. Olin Organization: University of California Sea Grant |
Hydrilla |
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HY-S2 Hydrilla in Aquarium Photo Credit: California Department of Food and Agriculture Organization: California Department of Food and Agriculture |
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HY-S3 Weed choked canal Photo Credit: Dave Brenner Organization: Michigan Sea Grant |
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HY-S4 Weed choked waterway Photo Credit: Dave Brenner Organization: Michigan Sea Grant |
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HY-S5 Physical Removal of Hydrilla Following Backhoeing of Canals Photo Credit: California Department of Food and Agriculture Organization: California Department of Food and Agriculture |
