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Title: Allozyme electrophoretic studies in four species of groupers (Pisces: Serranidae) represented in the commercial fishery of Visakhapatnam - India
Authors: Sujatha, K.
Deepti, V.A. Iswarya
Shrikanya, K.V.L.
Keywords: Groupers
Allozyme loci
Allele frequencies
Issue Date: Jun-2011
Publisher: NISCAIR-CSIR, India
Abstract: Several species of groupers belonging to the genus <i style="">Epinephelus</i> have overlapping colour patterns. In the present study four species of groupers, <i style="">Epinephelus epistictus, E. latifasciatus, E. magniscuttis </i>and <i style="">E. radiatus, </i>that are represented in the catches of Visakhapatnam were analysed for allozyme variation. The eleven enzyme systems screened twenty-five scorable loci. Sixteen loci in <i style="">E. episticuts, </i>nineteen in <i style="">E. latifasciatus, </i>fifteen in <i style="">E. magniscuttis </i>and twenty-two loci in <i style="">E. radiatus </i>were found to be polymorphic at p = 0.95 level. Average heterozygosity ranged form 0.0582±0.063 to 0.0704±0.0442. Diagnostic alleles that help in clearly distinguishing the species were identified. UPGMA dendrogram revealed that <i style="">E. epistictus </i>is closely related to <i style="">E. magniscuttis </i>compared to other two species.
Description: 365-371
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJMS Vol.40(3) [June 2011]

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