New Distributional Record of Flat Needlefish Ablennes hians (Valenciennes, 1846) (Beloniformes: Belonidae) in the North-Eastern Indian Ocean with Taxonomic Details

Roul, Subal Kumar and Abdussamad, E M and Rohit, Prathibha and Jaiswar, A K (2018) New Distributional Record of Flat Needlefish Ablennes hians (Valenciennes, 1846) (Beloniformes: Belonidae) in the North-Eastern Indian Ocean with Taxonomic Details. Thalassas: An International Journal of Marine Sciences. pp. 1-6. ISSN 0212-5919

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Abstract

Present study is based on five specimens of flat needlefish Ablennes hians collected from Puri North (Lat. 19047′43.062″N, Long. 85049′38.5788″E), Odisha, India on 7 January 2018. Based on morphometric and meristic characters, the specimens were identified as Ablennes hians (family Belonidae), having laterally compressed body with a series of vertical bars, 26 to 27 anal fin rays, 24–25 dorsal fin rays, 13–14 pectoral fin rays, and single lobe of gonad. A. hians can be distinguished from other three species of needlefishes reported from northeast coast of India based on body shape (body strongly compressed laterally in A. hians vs. rounded in cross section in other three species), number of anal fin rays (24–28 in A. hians vs. 15–25), vertical bars on body (a series of vertical bars in A. hians vs. no vertical bars in others except for S. leiurawhere few vertical bars are present on anterior half of the body). The occurrence of flat needlefish along Odisha Coast revealed the extension of its known geographical distributional range i.e. from noth of Andhra Pradesh in the North-eastern Indian Ocean. Further, it is an addition to the ichthyofaunal biodiversity of northeast coast of India.

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