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Allozymic Differences between Black and White Crappies
Author(s) -
Maceina Michael J.,
Greenbaum Ira F.
Publication year - 1988
Publication title -
north american journal of fisheries management
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.587
H-Index - 72
eISSN - 1548-8675
pISSN - 0275-5947
DOI - 10.1577/1548-8675(1988)008<0123:adbbaw>2.3.co;2
Subject(s) - sympatric speciation , biology , introgression , allopatric speciation , zoology , hybrid , white (mutation) , genetics , gene , botany , population , demography , sociology
Allozymic variation was examined from two allopatric and two sympatric populations of white crappie Pomoxis annularis and black crappie P. nigromaculatus in Texas. Twenty‐five presumptive enzyme‐encoding loci were assayed. Nine loci were monomorphic for the same alleles in both species. Eleven loci were characterized by electromorphs that allowed discrimination between these two species. The fixed allelic differences between the species provide an accurate means for identifying artificially propagated F 1 crappie hybrids, evaluating subsequent reproductive success, and assessing introgression where both species are stocked together or where hybrid crappies are stocked into resident populations of black or white crappie.