Genetic Differentiation in Japanese Freshwater Crab, Geothelphusa dehaani (White): Isozyme Variation among Natural Populations in Kanagawa Prefecture and Tokyo

In Kanagawa Prefecture and its surrounding area, two types of body color populations (DA: dark and BL: blue) of Japanese freshwater crab, Geothelphusa dehaani, are distributed parapatrically, suggesting some extent of genetic differentiation between them. In this study we examined the genetic variat...

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Published inZoological Science Vol. 12; no. 4; pp. 427 - 434
Main Authors Aotsuka, Tadashi, Suzuki, Tadashi, Moriya, Tetsuhiro, Inaba, Akemi
Format Journal Article
LanguageEnglish
Published Zoological Society of Japan 01.08.1995
UniBio Press
Subjects
Crustacea
Decapoda
Freshwater
Geothelphusa dehaani
Original Papers
Japan, Honshu, Kanagawa Prefect
Japan, Honshu, Tokyo Prefect., Tokyo
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Summary:In Kanagawa Prefecture and its surrounding area, two types of body color populations (DA: dark and BL: blue) of Japanese freshwater crab, Geothelphusa dehaani, are distributed parapatrically, suggesting some extent of genetic differentiation between them. In this study we examined the genetic variation of G. dehaani in Kanagawa Prefecture and Tokyo by means of electrophoretic analysis on 5 enzyme loci. The results clearly show the existence of substantial genetic differentiation among different color type populations. In addition, some extent of differentiation is also observed within the BL populations.
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ISSN:0289-0003
DOI:10.2108/zsj.12.427