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Despite a large, multi\u2010decadal data set in Oklahoma, Montana, and North Dakota, intersex development was not observed until 2019, when two individuals were harvested from the Grand Lake\/Neosho River stock in Oklahoma. This suggests that intersex development in mid\u2010water, zooplanktivorous paddlefish is rarer than in bottom\u2010dwelling sturgeons for which intersex development is regularly observed. Although contaminants are implicated in causing intersex development in other Acipenseriformes, more investigation is needed.<\/jats:p>","DOI":"10.1111\/jfb.14442","type":"journal-article","created":{"date-parts":[[2020,6,30]],"date-time":"2020-06-30T05:16:40Z","timestamp":1593494200000},"page":"919-925","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["First observations of intersex development in paddlefish <scp><i>Polyodon spathula<\/i><\/scp>"],"prefix":"10.1111","volume":"97","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1726-0602","authenticated-orcid":false,"given":"Jason D.","family":"Schooley","sequence":"first","affiliation":[{"name":"Oklahoma Department of Wildlife Conservation  Jenks Oklahoma USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adam","family":"Geik","sequence":"additional","affiliation":[{"name":"Montana Fish Wildlife &amp; Parks  Great Falls Montana USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dennis L.","family":"Scarnecchia","sequence":"additional","affiliation":[{"name":"University of Idaho  Moscow Idaho USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2020,7,27]]},"reference":[{"key":"e_1_2_4_2_1","doi-asserted-by":"publisher","DOI":"10.2307\/2420893"},{"key":"e_1_2_4_3_1","doi-asserted-by":"publisher","DOI":"10.1146\/annurev-animal-020518-114955"},{"key":"e_1_2_4_4_1","doi-asserted-by":"publisher","DOI":"10.1890\/1540-9295(2006)004[0378:EOEDCO]2.0.CO;2"},{"key":"e_1_2_4_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ygcen.2013.04.005"},{"key":"e_1_2_4_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.chemosphere.2016.12.141"},{"key":"e_1_2_4_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00244-004-0010-7"},{"key":"e_1_2_4_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.marenvres.2013.10.009"},{"key":"e_1_2_4_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1439-0426.2007.00885.x"},{"key":"e_1_2_4_10_1","first-page":"59","article-title":"Notes on the food of paddlefish","volume":"21","author":"Eddy S.","year":"1929","journal-title":"Transactions of the Illinois State Academy of Science"},{"key":"e_1_2_4_11_1","unstructured":"EPA(2011). 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