Report on the landing of the critically endangered Rhinobatid Acroteriobatus variegatus (Nair & Lal Mohan, 1973) with some insights into its reproductive biology

Wilson, Livi and Zacharia, P U and Kizhakudan, Shoba Joe and Najmudeen, T M and Santhosh, B and Ambarish, Gop P and Radhakrishnan, M and Sunil, K T S and Pakkri Muthu, S (2020) Report on the landing of the critically endangered Rhinobatid Acroteriobatus variegatus (Nair & Lal Mohan, 1973) with some insights into its reproductive biology. Journal of the Marine Biological Association of India, 62 (1). pp. 60-64.

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    Abstract

    A single specimen of a gravid female of the stripenose guitarfish, Acroteriobatus variegatus was landed as by-catch by a tuna hook and line at Sakthikulangara, Kerala from a depth of 110-130 m. The species is categorized as ‘critically endangered’ by IUCN. The morphometric characteristics of A. variegatus are described for the first time since its original description by Nair and Lal Mohan (1973) from Gulf of Mannar. The present study provides preliminary insights into its reproductive biology. The mode of reproduction in A. variegatus is aplacental yolk sac viviparity with low uterine fecundity

    Item Type: Article
    Uncontrolled Keywords: Stripenose guitarfish, morphometric characteristics, aplacental yolk sac viviparity, low uterine fecundity
    Subjects: Fishery biology
    Demersal Fishes > Ray fisheries
    Marine Fisheries > Fish landing
    Demersal Fishes
    Divisions: CMFRI-Kochi > Marine Capture > Demersal Fisheries
    Subject Area > CMFRI > CMFRI-Kochi > Marine Capture > Demersal Fisheries
    CMFRI-Kochi > Marine Capture > Demersal Fisheries
    Subject Area > CMFRI-Kochi > Marine Capture > Demersal Fisheries
    Depositing User: Arun Surendran
    Date Deposited: 14 Sep 2020 06:36
    Last Modified: 14 Sep 2020 06:36
    URI: http://eprints.cmfri.org.in/id/eprint/14589

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