Credit: DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY

Caption: Animated coloured scanning electron micrograph (SEM) of an Echiniscus sp. tardigrade, or water bear. Tardigrada is an obscure phyla of invertebrates located between the nematodes (roundworms) and the arthropods (crustacea, insects, and ticks). Tardigrades are microscopic aquatic animals that need water to live. Without water they shrivel into a cask stage and survive long periods of desiccation in a stage called cryptobiosis. Tardigrades are found in marine, freshwater, and semi-aquatic terrestrial habitats. Mosses, lichens, leaf litter, soil, and even the grains of sand on a beach are examples of such habitats. They are small, 0.2-0.5 mm in length, with 5 body segments and 4 pairs of legs. They breathe through their cuticle and have a hemocoel for circulation. Water bears feed on the fluids of plant and animal cells. They have stylets which allow them to pierce plant or animal cells.

Release details: Model release not required. Property release not required.

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Echiniscus sp. tardigrade, SEM

K006/8369 Rights Managed

Downloadable master

Duration: 00:00:15

Frame size: 1920x1080

Frame rate: 25

Audio: No

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

File size: 327.1M

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Capture format: Digital Rostrum

Frame size: 2646x3302

Codec: JPEG

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