Abstract:
:Two morphologically distinct forms of an undescribed madtom catfish (Noturus sp.) occur in the rivers and lakes of southeastern USA. 'Lake' broadtail madtoms are endemic to Lake Waccamaw and are probably related to nearby 'river' broadtail populations. To investigate phylogenetic relationships, we surveyed mitochondrial DNA (mtDNA) sequence variation in 'lake' and 'river' broadtails and other members of the genus Noturus. Mitochondrial rDNA data suggest a sister group relationship between broadtail madtoms and N. insignis, not N. leptacanthus as posited previously. Population-level analyses using additional mtDNA characters (NADH dehydrogenase subunit 2 (ND2) and cytochrome b (Cytb)) identified two highly divergent genetic lineages within broadtail madtoms that do not correspond to the morphological designations 'river' and 'lake'.
journal_name
Mol Ecoljournal_title
Molecular ecologyauthors
Bennetts RQ,Grady JM,Rohde FC,Quattro JMdoi
10.1046/j.1365-294x.1999.00709.xsubject
Has Abstractpub_date
1999-10-01 00:00:00pages
1563-9issue
10eissn
0962-1083issn
1365-294Xpii
mec709journal_volume
8pub_type
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