Backlit darkfield image of three semi-transparent aquatic planarian flatworms (Girardia tigrina) creeping across each other. This species is native to

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Backlit darkfield image of three semi-transparent aquatic planarian flatworms (Girardia tigrina) creeping across each other. This species is native to freshwater in North America and has become an invasive species in Europe and Japan

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Size: 4896px × 3672px
Location: Ladner, Delta, British Columbia, Canada
Photo credit: © Ernest Cooper / Alamy / Afripics
License: Royalty Free
Model Released: No

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