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Acipenser sturio. Female with roe exposed.
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Acipenser guldenstadth, Var. Schypa.
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Acipenserschypa, Head Seen from Above.
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Acipenser huso.
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Acipenser stellatus, Head Seen from Beneath.
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Head of Acipenser heckelii, Seen from Below.
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Kattegat Centret, Grenå, Danmark
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Acipenser sturio. Dorsal view of female.
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Acipenser guldenstadtii (Brandt).
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Acipenser glaber (Marsilius).
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Head of Acipenser huso, Seen from Above.
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Acipenser gmelini, Head Seen from Above.
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Acipenser naccarii -- Storione.
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Acipenser sturio. Lateral view of female.
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Acipenser guldenstadtii, Head Seen from Above.
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Upper Surface of Head of Acipenser glaber, Showing Dermal Soutes.
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Head of Acipenser huso, Seen from Below.
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Acipenser gmelini, Head Seen from Below.
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Upper Surface of Head of Acipenser naccarii, var. Nardoi.
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Acipenser sturio (Linnaeus).
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Acipenser guldenstadtii, Head seen from Below.
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Sturgeon. Acipenser rubicundus
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Acipenser ruthenus (Linnaeus).
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Head of Acipenser nasus, Seen from Above.
