Polydactylus sexfilis   (Valenciennes,  1831) (Fish)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chordata
Class: Actinopterygii
Order:Perciformes
Family:Polynemidae

Description
Max. size: 61 cm TL

Max. weight reported : 3.170 gm

Color: Body uniformly golden silver in color, occasionally with several faint dark stripes along longitudinal scale rows above and below lateral line

Dorsal spines (total): 9 - 9, Dorsal soft rays (total):13 - 13, Anal spines: 3, Anal soft rays: 11. Pectoral filaments 6 with tip of uppermost filament reaching to or slightly beyond level of posterior tip of upper part of pectoral fin.

Sexual maturity in males occurs at 12 to 15 cm. Subsequently undergoes sex reversal passing through a hermaphroditic stage, and become female between 18 and 24 cm.

Synonym (s)
Polynemus sexfilis Cuvier and Valenciennes, 1831

Common Name (s)
• Sixfinger threadfin (English)
Economic Importance and Threats
Importance:  Commercial
(Aquarium )

Ecology
Habitat:  Reef Associated
Prey:  Feeds mainly on crustaceans (shrimps and crabs) and polychaete worms

Biogeography


• Tamil Nadu, Chennai Coast INDIA

Literature Source(s)
  • Jones, S (1962) A preliminary survey of the common tuna bait fishes of Minicoy and their distribution in the Laccadive Archipelago Symposium on Scombroid fishes, Part -2 Marine Biological Association of India (Part 2) 643-680 Available at - NIO RC, Kochi
  • Hiroyuki, M (2004) Annotated Checklists of Fishes: Family Polynemidae Rafinesque 1815 Annotated Checklists of Fishes 32 1-18 Available at - NCL, Pune
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at - http://www.fishbase.org
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • 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 - http://tnenvis.nic.in/PDF/coastal%20data.pdf
  • FishPix Available at - http://fishpix.kahaku.go.jp/fishimage-e/index.html
  • Marine Biological Station, Chennai, Tamil Nadu (2003) Checklist of marine fauna of Tamil Nadu Department of Environment, Government of Tamil Nadu Available at - http://tnenvis.nic.in

Page last updated on:2010-05-04

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