Credit: PETER MATULAVICH/SCIENCE PHOTO LIBRARY

Caption: Daphnia pulex, or water flea, belongs to the cladoceran group of micro-crustaceans. They vary greatly in size, but most measure less than 1 mm in length. They possess a single compound eye and a pair of branched antennae which are used in locomotion. Despite their small size, they are an important food source for fish and larger crustaceans due to their vast numbers. 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

K002/1623 Rights Managed

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Duration: 00:00:12.28

Frame size: 640x480

Frame rate: 29.97

Audio: No

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

File size: 123.5M

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Capture format: Betacam SP

Frame size: 720x486

Codec: Uncompressed 8-bit 4:2:2

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