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Doug Jensen is with Minnesota Sea Grant, one of the groups behind the draining of Rock Pond, which is visible in the photo. Jensen says aquarium fish released into the wild can cause a host of problems for native fish. |
(MPR Photo/Chris Julin)
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Doug Jensen is with Minnesota Sea Grant, one of the groups behind the draining of Rock Pond, which is visible in the photo. Jensen says aquarium fish released into the wild can cause a host of problems for native fish. |
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