Great Lakes Science Center
Multimedia
Grass carp larvae
These images show grass carp larvae from the Maumee River. Characteristics of larval grass carp include overall length (left), skeletal muscle development (center) and presence of an eye spot that lacks pigmentation (right; pigment starting to develop on lower eye).
New Technology for Scanning Sediment
(Left) EPA and Kent State University scientists (left-to-right), Dr. Janet Nestlerode, Taylor Michael, and Dr. Elizabeth Hinchey, on the R/V Muskie with the SPI cam. (Right) High-resolution image of a cross-section of the sediment including the sediment water interface to ~25 cm below surface from a site in the central basin of Lake Erie. Visible are various strata of the
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Aging a Fish Using a Spine
A pectoral spine cross section from invasive grass carp captured in the Great Lakes. These cross sections are used to determine the age of the fish.
Aging a Fish Using a Vertebra Cross Section
Cross section of a fish vertebra. Useful for determining the age of a fish.
Dr. Ed Roseman Delivers Plenary Address to AOC Meeting in Cleveland
GSLC research fish biologist, Dr. Ed Roseman, delivers a plenary address at the Great Lakes Areas of Concern (AOC) conference on September 11-12, 2019.
National Geographic Visits Hammond Bay to Photograph Sea Lamprey
National Geographic photographer, Keith Ladzinski, photographs live sea lamprey at Hammond Bay Biological Station on September 11, 2019 for an expansive article featuring the Great Lakes.
Seneca River Lake Sturgeon Release
A 59 lb., 64 in. female lake sturgeon is released into the Seneca River after telemetry tagging. Pictured GLSC (Cortland, New York) personnel are Grant Scholten, Marc Chalupnicki, and Caleb Konrad.
DOI Newswave Publication Summer 2019 Cover
The cover image for the Summer 2019 DOI Newswave issue.
Teaching the Teachers in Ohio
USGS worked with regional partners to provide Ohio K-12 teachers educational resources to teach about watersheds in their classrooms.
Voice of America Visits Hammond Bay Biological Station
GLSC Hammond Bay Biological Station research was filmed by Voice of America (VOA) News on June 2-3, 2019. Clockwise from top right: VOA videographer, Ailin Li, interviewing Scott Miehls, USGS; live sea lamprey; videography team at the Ocqueoc River sea lamprey barrier and trap, (L-R) Nathan Allen, GLFC, Josh Benson, Andrea Miehls, GLFC/USGS, Ed Benzer, FWS, Ailin Li, VOA,
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Acoustic Telemetry Used to Track Fish
Staff from the USGS Great Lakes Science Center gaze at the Mackinac Bridge rising above the mist in the Straits of Mackinac, Michigan. The lines they are holding are attached to grappling hooks being used to retrieve acoustic telemetry equipment anchored on the bottom of the straits. The equipment is used to track fish movements in the Great Lakes and was deployed as part
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