Extending Geographical Distribution Range of Reef Needlefish Strongylura incisa (Valenciennes, 1846) (Teleostei: Beloniformes: Belonidae) in the Eastern Indian Ocean with a Key to the Species of Needlefish Occurring in the Area

Roul, Subal Kumar and Kumar, Rajan and Rahangdale, Shikha and Retheesh, T B and Abdussamad, E M and Rohit, Prathibha and Jaiswar, A K (2018) Extending Geographical Distribution Range of Reef Needlefish Strongylura incisa (Valenciennes, 1846) (Teleostei: Beloniformes: Belonidae) in the Eastern Indian Ocean with a Key to the Species of Needlefish Occurring in the Area. Thalassas: An International Journal of Marine Sciences, 34 (2). pp. 1-6. ISSN 0212-5919

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    Abstract

    Present study deals with new distributional records of Strongylura incisa (Belonidae) based on five specimens collected from the Andaman Islands and Tuticorin Coast (Tamil Nadu), India during 2016–17. Specimens were identified by absence of scales at bases of dorsal and anal fins, 19–20 dorsal fin rays, 21–23 anal fin rays, 102–113 predorsal scales, dorsal fin origin over 4–5 anal fin rays, prominent elongate spot on cheek between opercle and preopercle, and double lobe of gonad. Strongylura incisa can be distinguished from itsmost similar congener S. leiura based on number of predorsal scales (100–125 in S. incisa versus 130–180 in S. leiura), dorsal fin origin over anal fin rays (4–6 in S. incisa versus 7–10 in S. leiura), number of gonad lobes (2 in S. incisa versus 1 in S. leiura) and colour characteristics (prominent elongate spot on cheek between opercle and preopercle in S. incisa versus black bar on cheek between opercle and preopercle and anterior region of the body in S. leiura). Present study provides the first documented record of S. incisa from the Andaman and Nicobar Islands and East Coast of India with an updated key for Strongylura species. Further, it is an addition to the ichthyofaunal biodiversity of the Andaman and Nicobar Islands and East Coast of India.

    Item Type: Article
    Uncontrolled Keywords: Strongylura incisa; Belonidae; Eastern Indian Ocean; Andaman and Nicober Islands; needlefish
    Subjects: Pelagic Fisheries
    Fish and Fisheries > Fish Taxonomy
    Divisions: CMFRI-Kochi > Marine Capture > Pelagic Fisheries
    Subject Area > CMFRI > CMFRI-Kochi > Marine Capture > Pelagic Fisheries
    CMFRI-Kochi > Marine Capture > Pelagic Fisheries
    Subject Area > CMFRI-Kochi > Marine Capture > Pelagic Fisheries
    Depositing User: Arun Surendran
    Date Deposited: 22 Oct 2018 05:27
    Last Modified: 22 Oct 2018 05:27
    URI: http://eprints.cmfri.org.in/id/eprint/13051

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