Cytogenetic characterization of two marine ornamental fishes, Chaetodon collare and Stegastes insularis

Nagpure, N S and Kumar, Ravindra and Srivastava, Satish K and Kushwaha, B and Gopalakrishnan, A and Basheer, V S (2006) Cytogenetic characterization of two marine ornamental fishes, Chaetodon collare and Stegastes insularis. Journal of the Marine Biological Association of India, 48 (2). pp. 267-269.

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    Abstract

    The results of the Cytogenetic studies carried out in two marine ornamental fishes, Chaetodon rollare and Stegastes insularis, occurring in the south-eastem Arabian Sea, by Giemsa staining and nuckolar organizer regions (Ag-NOR) staining are reported. The diploid chromosome number (2n) in C. collare and S. insularis was found to be 48. Based on the karyomorphology, the karyotype formula was derived as 48t (FN=48) and 14m + 24 sm + 6st + 4 t (FN=86), respectively for these two species. Silver staining revealed presence of one pair of NORs in both the species. This is the first description of karyotypes in these species using conventional staining and chromosome banding techniques.

    Item Type: Article
    Uncontrolled Keywords: Cytogenetic characterization; marine ornamental fishes; Chaetodon collare; Stegastes insularis
    Subjects: Fish and Fisheries > Fish Genetics
    Divisions: CMFRI-Kochi > Physiology and Nutrition Pathology
    Subject Area > CMFRI Brochures > CMFRI-Kochi > Physiology and Nutrition Pathology
    CMFRI-Kochi > Physiology and Nutrition Pathology
    Depositing User: Dr. V Mohan
    Date Deposited: 09 Aug 2010 07:27
    Last Modified: 09 Sep 2015 15:15
    URI: http://eprints.cmfri.org.in/id/eprint/2102

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