Credit: PETER MATULAVICH/SCIENCE PHOTO LIBRARY

Caption: Close up of Daphnia pulex, or water flea, which belongs to the cladoceran group of micro-crustaceans. They vary greatly in size, but most measure less than 1mm in length. They possess a single compound eye and a pair of branched antennae. It's tiny, quickly-beating heart, can be seen along its anterior edge just beneath the back of the head. Recorded under Rheinberg illumination.

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Keywords: arthropod, branched antenna, cladoceran, compound eye, crustacean, daphnia pulex, freshwater, invertebrate, micro, plankton, pond, water flea

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Water flea

K002/1693 Rights Managed

Downloadable master

Duration: 00:00:12.26

Frame size: 640x480

Frame rate: 29.97

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 120.9M

Original

Capture format: Betacam SP

Frame size: 720x486

Codec: Uncompressed 8-bit 4:2:2

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