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Endangered Species

We have conducted studies in Canada and the United States of America related to population demographics, fish passage, reproductive behaviour, spawning habitat and egg and larval development of (click links below):

Greenside darter (Etheostoma blennioides) - COSEWIC Special Concern 1990

American Eel (Anguilla rostrata) -COSEWIC Threatened (2012)

Greater Redhorse (Moxostoma valenciennesi) - COSEWIC mid-priority Candidate 2004

Black Redhorse (Moxostoma duquesnei) - COSEWIC Threatened 2005

Spotted Gar (Lepisosteus oculatus) - COSEWIC Threatened 2005

Wavy-rayed Lampmussel (Lampsilis fasciola) - COSEWIC Endangered

Blue Sucker (Cycleptus elongatus) - State Threatened (Texas)
Razorback Sucker (Xyrauchen texanus) - Federally Endangered (USA)

Freshwater Mussel Identification

 A razorback sucker immediately after sonic transmitter implantation:

 razorback sucker immediately after surgical implantation of a radio tag

Sensory cephalic pores on a razorback sucker from the ultrasonic tracking study
in Las Vegas, Nevada  2005 - 2011:

Sensory cephalic pores on a razorback sucker from the ultrasonic tracking study

Blue sucker after surgery
 

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