Uploaded December 2023 | Updated September 2026, 1 week ago

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Early stage larval tadpoles, showing blood flow in their gills. These gills will eventually be replaced by functional lungs as the tadpole develops. Equipment used: custom built microscope and specially designed accessories. original footage shot in 4K.

For licensing Inquiries:

To see the original and further clips, please visit @francischeefilms
4K (landscape 16:9) format available for licensing, please contact me for details.

Note the "heart beat" SFX is exactly that, SFX.