Hybridization in Umbridae in the Hudson River, New York, with Designation of Neotypes for Umbra limi and Umbra pygmaea.

This dataset contains the digitized treatments in Plazi based on the original journal article Robert E. Schmidt, Robert A. Daniels (2006): Hybridization in Umbridae in the Hudson River, New York, with Designation of Neotypes for Umbra limi and Umbra pygmaea. Zootaxa 1113: 1-20, URL: http://www.zoobank.org/urn:lsid:zoobank.org:pub:ECB2D74A-9E64-4FE5-A38A-6639FD5CA82CAbstractWe document the occurrence of a natural hybrid between the Eastern Mudminnow, Umbra pygmaea (DeKay 1842) and the Central Mudminnow, U. limi (Kirtland 1840). Hybrid individuals were collected in a supratidal pool in a fresh-tidal marsh in the Hudson River, New York. ANOVA, ANCOVA, principal components analysis, and discriminant function analysis of meristics and morphometrics showed that the hybrids were distinguishable from the parental species and were generally intermediate between them. The tidal Hudson River is the only place these species are sympatric, and hybridization must have occurred within the last several decades. We designate neotypes for Umbra pygmaea and Umbra limi.Key words: Central Mudminnow, Champlain Canal, Eastern Mudminnow, Erie Canal, fish dispersal, James DeKay, Jared Kirtland, type locality, zoogeography