STEVE LOWRY / SCIENCE PHOTO LIBRARY STEVE LOWRY / SCIENCE PHOTO LIBRARY
Polarised light micrograph of barbed setae from a sea mouse (Aphrodite aculeata). This deep sea marine polychaete grows to around 15 to 20 centimetres in length. The dorsal surface is covered with a mat of iridescent hair-like setae through which project longer barbed setae. Magnification: x68 at 10cm wide.
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