pl23_fish5591.jpg
![Optical comparator being used for enumeration of invertebrate organisms inconnection with in situ behavior studies fish5591.jpg Optical comparator being used for enumeration of invertebrate organisms inconnection with in situ behavior studies](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_fish5591.jpg)
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https://www.noaa.gov/media/digital-library-photo/pl23fish5591jpgDescription
Optical comparator being used for enumeration of invertebrate organisms inconnection with in situ behavior studies. This instrument, which can projectimages on a 12-inch screen, is also used for training plankton sorters inidentification of fish eggs and larvae.
Credit
NOAA Central Library Historical Fisheries Collection
Display Date
1965 Circa
Location
California, La Jolla Laboratory
Collection
Historic Fisheries