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Dallis pectoralis Bean.
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Mud Minnow (Umbra limi).
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Umbra krameri (Fitzinger).
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Dallia Pectoralis.
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Head of Umbra krameri, Seen from Above.
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Alaska Blackfish, Dallia pectoralis (Bean). St. Michaels, Alaska.
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Scale of Umbra krameri.
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Mud-minnow, Umbra pygmaea (De Kay). New Jersey.
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Eastern Mudfish (Umbra pygmaea (De Kay)).