Joel Sartore / Photo Ark / Western creek chubsucker (Erimyzon claviformis) portrait, Conservation Fisheries, Tennessee, USA. Captive.
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Joel Sartore / Photo Ark / Western creek chubsucker (Erimyzon claviformis) head portrait, Conservation Fisheries, Tennessee, USA. Captive.
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Joel Sartore / Photo Ark / Western creek chubsucker (Erimyzon claviformis) portrait, Conservation Fisheries, Tennessee, USA. Captive.
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Joel Sartore / Photo Ark / Lake chubsucker (Erimyzon sucetta) portrait, private collection, Tennessee, USA. Captive.
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Michel Roggo / Group of Longnose suckers (Catostomus catostomus) at spawning ground in a remote river, with Rainbow trout (Oncorhynchus mykiss) lurking in background waiting to feed on released eggs, British Columbi...
