Caption: Spiny dogfish skin. Animated coloured scanning electron micrograph (SEM) of scales from the skin of the spiny dogfish (Squalus acanthias). These sharply pointed placoid scales are also known as dermal teeth or denticles. They give the fish's skin the feel of sandpaper. The tip of each scale is made of dentine overlayed with dental enamel. The lower part of each scale, which anchors it into the skin, is made of bone. The scales disrupt turbulence over the skin, considerably reducing the drag on the fish as it swims. This design has been investigated by engineers for use on the surfaces of aircraft and boats.

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Keywords: animal, animated, aquatic, biology, biomimesis, biomimetic, biomimetics, biomimicry, bionic, bionics, cartilaginous fish, coloured, denticle, denticles, dermal teeth, digital rostrum, dogfish, false-colour, false-coloured, hydrodynamic, hydrodynamics, ken burns, nature, piked dogfish, placoid scale, scales, scanning electron micrograph, scanning electron microscope, sem, shark, skin, spiny dogfish, spurdog, squalus acanthias, streamlined, streamlining, surface, zoology

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Spiny dogfish skin, SEM

K007/3987 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: 393.7M


Capture format: QuickTime Animation

Frame size: 4000x4000

Codec: JPEG

File size: 393.7M

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