Parachaeturichthys polynema   (Bleeker,  1853) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Randall, J.E.

Size: 15 cm.

Color: Body is greenish in color, fins are dark, upper caudal fin base with a large black spot surrounded by yellow.

Body elongate, anteriorly cylindrical, posteriorly compressed, height 5-6 in length, 7-8 in total length. Head a little depressed, about 4 in length, 51/2-6 in total length. Profile convex. Eye 3 1/3 - 3 1/2 in head, interorbital 1/3-1/2 eye diameter. Snout obtuse, shorter than eye, tip before or a little below inferior margin of eye. Anterior nostril in a short tube. Mouth oblique, jaws sub-equal or lower jaw a little prominent. Maxillary extends to below middle of eye. Lower jaw with some short barbels under chin and numerous barbels on the ventral side of head in two longitudinal rows. Outer row of teeth in lower jaw enlarged, extends to halfway the jaw, last tooth is a weak canine. In upper jaw on each side in front 4-5 caninoid teeth. Tongue rounded to truncate. Three longitudinal mucous canals on cheek. An open pore behind each eye at the beginning of supra- opercular groove. Two pores along this groove. One medially in interorbital space, 3 open pores on posterior margin of preopercle. Head scaled above between and behind the eyes, cheek and opercle totally scaled. Scales on head, nape, breast and belly cycloid, other scales ctenoid. Bases of dorsal fins sub continuous. First dorsal fin lower than body, middle rays are the longest. second dorsal fin and anal fin anteriorly lower than body, posteriorly higher and pointed. Pectoral fin pointed, a little longer than head. Ventral fin a little shorter than head. Caudal fin lanceolate, much longer than head. Dorsal spines (total): 7 - 7, Dorsal soft rays (total): 9 - 11, Anal spines: 1, Anal soft rays: 9 - 10.

Found to contain tetrodotoxin (TTX) and anhydrotetrodotoxin (anh-TTX) which causes paralytic food poisoning- Poisonous to eat.

Remarks: Values in above description denote proportions.

Synonym (s)
Chaeturichthys polynema Bleeker, 1853
Gobius polynema (Bleeker, 1853)
Gobius polynema Gunther, 1861
Parachaeturichthys plynema Bleeker, 1874
Gobius polynema Day, 1878
Gobius polynema Day, 1889
Parachaeturichthys polynemus Jordan and Snyder, 1901
Parachaeturichthys polynemus Jordan and Seale, 1905
Parachaeturichthys polynema McCulloch and Ogilby, 1919
Parachaeturichthys polynema Herre, 1927
Gobius (Parachaeturichthys) polynema Barnaed, 1927
Gobius (Parachaeturichthys) polynema Wu, 1931
Parachaeturichthys polynema Koumans, 1941
Prachaeturichthys palynema (Bleeker, 1853)

Common Name (s)
• Taileyed Goby (English)
Economic Importance and Threats

Habitat:  Reef Associated, Demersal
Trophic Level:  Tertiary Consumer
Prey:  Main food detritus, zoobenthos, zooplankton, worms, benthic crustaceans, polycheates, mysids, debris.


• Andaman and Nicobar Islands, Andaman Islands (Lat: 10) (Long: 93) INDIA
• Tamil Nadu, Chennai Coast INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Kerala INDIA
• Andaman and Nicobar Islands, Bamboo Flat INDIA (Record: 28/04/1992)
• Tamil Nadu, Cuddalore Coast INDIA (Record: 10/2008)
• Andhra Pradesh, Off Visakhapatnam (Lat: 17.73) (Long: 83.55) INDIA (Record: 04/1989-03/1990) (Depth: 50 mts)
• West Bengal (Lat: 21.45) (Long: 87.9) 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
  • (2001) Fauna of Godavari estuary, Andhra Pradesh Estuarine ecosystem series 4 ZSI, Kolkata 1-166 Available at - ZSI, Pune
  • Ocean Biogeographic Information System Available at -
  • Kuo, RS and Shao, KT (1999) Species composition of fish in the coastal zones of the Tsengwen estuary, with descriptions of five new records from Taiwan Zoological Studies 38(4) 391-404 Available at - NIO, Goa
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at -
  • Marine Biological Station, Chennai, Tamil Nadu (2003) Checklist of marine fauna of Tamil Nadu Department of Environment, Government of Tamil Nadu Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Dr. Ramesh, R; Dr. Nammalwar, P and Dr. Gowri, VS (2008) Database on coastal information of Tamil Nadu Report Submitted to Environmental Information System (ENVIS) Centre, Department of Environment, Government of Tamil Nadu Institute for Ocean Management, Anna University, Chennai, Tamil Nadu. Available at -
  • Koumans, FP (1953) The fishes of the Indo-Australian Archipelago A. J. Reprints agency, Karol Bagh, New Delhi 10 423 pp Available at - NIO, Goa
  • Bijukumar, A and Deepthi, GR (2009) Mean trophic index of fish fauna associated with trawl bycatch of Kerala, southwest coast of India Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 51(2) 145 - 154 Available at - NIO, Goa
  • Rao, DV; Devi, K and Rajan, PT (1994) Additions to the Ichthyofauna of Bay Islands Journal of the Andaman Science Association Andaman Science Association, Port Blair 10(1&2) 28-31 Available at - NIO, Goa
  • Lakshmi, A and Sundaramanickam, A (2011) Biodiversity of reef ichthyofauna in Cuddalore coast, southeast coast of India International Journal of Environmental Sciences Integrated Publishing Association 1(7) 1616-1621 Available at -
  • Sujatha, K (1995) Finfish constituents of trawl by-catch off Visakhapatnam Fishery Technology Society of Fisheries Technologists 32(1) 56-60 Available at - NIO, Goa
  • Das, P; De, SP; Bhowmik, RM; Pandit, IK; Sengupta, R; Nandi, AC; Thakurta, SC and Saha, S (2007) Piscine diversity of West Bengal Fishing chimes 27(5) 15-28 Available at - NIO, Goa

Page last updated on:2012-01-24

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