Caption: Animated coloured scanning electron micrograph (SEM) Dogfish (shark) denticles on skin. Squalus acanthias, is one of the best known species of the Squalidae (dogfish) family of sharks. The spiny dogfish is also known as a spurdog, mud shark, or piked dogfish and is a small demersal shark of temperate continental shelf seas worldwide. Squalus acanthias has a specific morphology of having two spines (one anterior to each dorsal fin) and lacks an anal fin. Spiny dogfish in the northern Pacific Ocean have recently be revaluated and found to constitute a separate species, now known as Pacific Spiny Dogfish (Squalus suckleyi). Shark skin is covered by tiny flat V-shaped scales, called dermal denticles, that are more like teeth than fish scales.

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Keywords: 92353a, acanthias, animated, animation, chondrichthyes, chordata, colored, coloured, demersal, denticle, denticles, dermal, digital, dog, dogfish, dogfishes, electron, false-colored, false-coloured, fish, ken burns effect, micrograph, mud, muddog, pacific, piked, rostrum, scale, scanning, sem, shark, sharks, skin, spiny, spur, spurdog, squalidae, squaliformes, squalus, suckleyi, vertebrate, vertebrates

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Dogfish shark skin with denticles, SEM

K006/9301 Rights Managed

Downloadable master

Duration: 00:00:10

Frame size: 1920x1080

Frame rate: 25

Audio: No

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

File size: 279.6M


Capture format: Digital Rostrum

Frame size: 3329x2625

Codec: JPEG

File size: 279.6M

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