Joel Sartore / Photo Ark / Encrusting sand tube worm (Sabellaria sp.) and Ivory barnacles (Balanus eburneus) on the shell of a American / Common oyster (Crassostrea virginica), Gulf Specimen Marine Lab and Aquarium.
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Joel Sartore / Photo Ark / Two Hooked mussels (Ischadium recurvum), one with an Ivory barnacle (Balanus eburneus) attached to shell, Gulf Specimen Marine Lab and Aquarium.
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Joel Sartore / Photo Ark / Hooked mussel (Ischadium recurvum) with an Ivory barnacle (Balanus eburneus) attached to shell, Gulf Specimen Marine Lab and Aquarium.
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Joel Sartore / Photo Ark / Encrusting sand tube worm (Sabellaria sp.) and Ivory barnacles (Balanus eburneus) on the shell of a North America / Common oyster (Crassostrea virginica), Gulf Specimen Marine Lab and Aquarium.