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Investigating Bioaccumulation of Toxins in Round Goby: A Comprehensive Study

Explore the impact of voracious round goby invasion in various watersheds, their effects on fish growth, invertebrate diversity, and periphyton biomass. Discover their aggressive tendencies and potential future habitats.

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Investigating Bioaccumulation of Toxins in Round Goby: A Comprehensive Study

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  1. My name is Matt and I like fish

  2. (Photo Credit: S. Olenin) Map from Mills and Holeck 2001; Larval goby illustration from Lesslie and Timmins 2004

  3. http://www.illinoissmallmouthalliance.com/goby.html Bioaccumulation of Toxins http://sgnis.org/publicat/slide/RG-S10.jpg Voracious Aggressive Tendencies

  4. What Streams Have Round Goby Invaded? 26 of 73 watersheds (35.6%) 54 of 119 sites (45.4%) Furthest Inland: 33.9 stream km Appx. 280 km of stream Documented as Invaded Movie

  5. Where Will Round Goby Invade Next? 42% (1,369 km) identified as suitable (7% of state) 44% (8,878 km) identified as suitable

  6. 2009 Enclosure Experiment Preliminary Results

  7. Questions • Fish Growth • Invertebrate Diversity and Abundance • Periphyton biomass

  8. Treatments

  9. % Change in Fish Weight p<0.001

  10. % Change in Fish Weight p=0.01 (0.008 for A-B comparison)

  11. % Change in Fish Weight p=0.05 (0.07 for A-B Comparison)

  12. % Change in Fish Weight p=0.004 (0.009 for A-B Comparison)

  13. Alewife Foraging in Coastal Lake Michigan: A Benthic-Pelagic Linkage Changes in Up- and Downstream Fish Communities After Dam Removal Stem-boring Insect Larvae in a Spartinaalternifloradominated salt marsh http://limnology.wisc.edu/personnel/kornis/index.htm

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