Sue Daly / Topknot (Zeugopterus punctatus), swims out of the frame, Sark, British Channel Islands, UK, August.
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Joel Sartore / Photo Ark / Common topknot (Zeugopterus punctatus) moving its fins, Aquazoo Loebbecke Museum, Dusseldorf. Captive.
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Joel Sartore / Photo Ark / Close up of a Common topknot (Zeugopterus punctatus) head. The animal is looking at the camera. Aquazoo Loebbecke Museum, Dusseldorf. Captive.
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Alex Mustard / Topknot (Zeugopterus punctatus) rests on the seabed, covered in tiny copepod parasites. Swanage, Dorset, England, United Kingdom. English Channel. North East Atlantic
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Alex Mustard / Portrait of Topknot (Zeugopterus punctatus). Swanage, Dorset, England, United Kingdom. English Channel. North East Atlantic