Polyipnus spinosus   Gunther,  1889 (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Fishbase

Max. size: 8.5 cm SL

Color: Silvery, back yellowish brown.

Snout very short, less than pupil. On dorsal part of head, 2 serrated ridges, beginning on each side behind nostril and bordering a concave space, slightly converge towards the middle of the occiput and are continued by 2 strong diverging crests, ending in a sharp recumbent spine. Edge of praeoperculum serrated near its angle, which is armed with a slender, claw-like spine, pointing vertically downward. Gape of mouth vertical, bordered superiorly by the slender inter-maxillary, the maxillary, the hinder half of which is broad and posteriorly rounded, lies behind the gape. Mandibles received within the upper jaw, their lower border is denticulated. A blunt spine at the symphysis and at its inferior posterior angle. Ventral edge serrated, with an anterior and posterior spine, followed by a spinulous edge on each side between ventrals and anal. Origin of dorsal nearly in the middle of the length, preceded by a small bifid spine. Origin of anal on the beginning of the posterior third of the length. Low adipose fin in the middle of the space between dorsal and caudal. Pectorals low down, reaching almost as far as the base of the ventrals, which are small. Anus immediately before anal. Caudal forked. A band of minute curved teeth on intermaxillary and mandibles, and a single series on maxilla, similar teeth on vomer. Extremely thin, large, deciduous scales. Luminous organs: a black oval antorbital before middle of eye, a postorbital one on the same level, a suborbital below middle of eye. A smaller opercular below the level of the sub-orbital, 6 between branchiostegal rays. A series of 6 between isthmus and base of pectorals. A series of 10 along the ventral edge, between humeral and pelvic symphysis. 5 between ventrals and anal, the anterior of which somewhat higher than the following. Above anal and somewhat behind it, a series of 12-16, behind and separated from it a group of 4-5, decreasing in size posteriorly, the last above the first caudal ray. Two above, 3 behind the base of the pectorals, above the last of which one high up, nearly in the middle of the height of the body.
Dorsal soft rays (total): 12 - 14, Anal soft rays: 15-17.

Synonym (s)
Polyipnus stereope Jordan & Starks, 1904
Polyipnus spinosus spinosus Gunther, 1887
Polyipnus spinosus Alcock, 1889
Polyipnus spinosus Brauer, 1906
Polyipnus spinosus Max Weber, 1913
Polyipnus spinosis Gunther, 1887
Polypnus spinosus Gunther, 1887

Common Name (s)
Economic Importance and Threats

Habitat:  Pelagic, Coastal


• Bay of Bengal (Lat: 15) (Long: 90) INDIA
• Kerala, Off Alleppey INDIA (Depth: 292.6-365.76 mts)
• Off Kerala INDIA
• Andaman and Nicobar Islands INDIA

Literature Source(s)
  • Rao, DV; Devi, K and Rajan, PT (2000) An account of ichthyofauna of Andaman and Nicobar Islands, Bay of Bengal Occasional paper no 178 Records of the Zoological Survey of India ZSI, Calcutta 1-434 Available at - NCL, Pune
  • Alcock, A (1994) A descriptive catalogue of the Indian deep sea fishes in the Indian museum Oxford and IBH Publishing Co. Pvt. Ltd.,New Delhi 1-211 Available at - CMFRI Library, Cochin- 682018
  • Suppa, M; Suebsin, S; Suri, V and Songsirikul, T (1997) Checklist of fishes in Thailand Office of Environmental Policy and Planning 1-353 Available at - CMFRI, Kochi
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Weber, M; Beaufort, LF (1965) The fishes of the Indo-Australian Archipelago E.J. Brill, Leiden, Holland 2 404 pp Available at - NIO, Goa
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at - http://www.fishbase.org
  • Tholasilingam, T; Venkataraman, G and Krishna Kartha, KN (1964) On some Bathypelagic fishes taken from the Continental slope off the South West Coast of India Journal of the Marine Biological Association of India Central Marine Fisheries Research Sub-Station, Ernakulam 6(2) 268-284 Available at - http://eprints.cmfri.org.in/1470/1/Tholasilingam_268-284.pdf
  • Murty, VS (1969) Catalogue of fishes (excluding from the Laccadives) in the reference collections of the Central Marine Fisheries Research Institute Bulletin of Central Marine Research Institute CMFRI, Cochin 10 1-38 Available at - http://eprints.cmfri.org.in/571/1/Bulletin_10.pdf
  • Talwar, PK (1990) Fishes of Andaman and Nicobar Islands: A synoptic survey Journal of the Andaman Science Association Andaman Science Association, Port Blair 6(2) 71-102 Available at - NIO,Goa
  • Pillai, PKM and Augustine, SK (2000) A code list of common marine living resources of the Indian seas CMFRI Special Publication No.12 CMFRI 1-115 Available at - eprints.cmfri.org.in/3975/1/Special_Publication_No_12_Revised.pdf

Page last updated on:2011-10-12

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