Gazza achlamys   Jordan & Starks,  1917 (Fish)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chordata
Class: Actinopterygii
Order:Perciformes
Family:Leiognathidae

Image copyrights: CSIRO

Description
Size: Maximum 16.5 cm; common to 12 cm.

Color: Silvery, back grayish to bluish, with dark yellow, irregular marks extending to little below lateral line; black dots all over ventral half of body and head; snout tip grey. Membrane of spinous dorsal fin black at its distal portion; edge of soft part of dorsal fin grey; anal fin with some yellow coloring anteriorly; pectorals, pelvics and anal fin colorless; caudal fin dusky at posterior margin.

Body oval and somewhat compressed, rather deep; greatest body depth 1.98 - 2.20 times in standard length; mouth pointing forward when protracted, with distinct caniniform teeth in both jaws. Head scaleless; scales on body absent anterior to a line from origin of soft dorsal fin to behind pectoral fin bases and thence to the origin of anal fin. Snout pointed. Interorbital space divided into two concavities by the premaxillary shaft and founded by two ridges which form its outer boundaries and continue as the edges of nuchal spine. The median portion of the nuchal spine slightly elevated, about 4 in head. Two small spines on head, immediately above the eye and opposite its |ront border, the outer larger than the inner. The ridge forming the border of interorbital space arises opposite three spines. Mouth when protracted forms a horizontal tube, the gape of mouth opposite lower border of eye and the tip of maxilla lust reaching the front border of eye. Mouth large, lips broad and thick. Loweif margin of lower jaw with a very slight concavity. Preopercle with an obtuse aifgle, its lower margin finely serrate. Caniniform teeth present at the symphysis in upper jaw and on the sides in lower jaw. Gill rakers long and stout, with short strong spines spread on the inner Surface. Scales small, all over the body, including the breast. Lateral line conve; from the origin and runs parallel to dorsal profile and extends posteriorly upto t le base of caudal fin. Dorsal and anal spines weak, compressed. The third and fourth dorsal spines and the third anal spine serrated along their anterior m irgins for sOme length from base and all the dorsal spines except the first; the seconc and third anal spines have sculpture along their posterior margin almost for the en ire length. Ventrals with axillary scales and their tips do not reach the origin of anal. Caudal deeply forked.


Synonym (s)
Gazza shettyi Jayabalan, 1986
(Junior synonym)

Common Name (s)
• Naked Toothed Ponyfish (English)
• Naked Toothpony (English)
Economic Importance and Threats
Importance:  Commercial
(Fisheries, larger specimens marketed fresh or dried-salted but most of the catch made into fishmeal or discarded.)

Ecology
Habitat:  Reef Associated, Estuarine, Coastal
Trophic Level:  Secondary Consumer
Prey:  Small fishes, crustaceans and polychaetes

Biogeography


• Off South Coast INDIA
• Andaman and Nicobar Islands, Great Nicobar Island INDIA (Record: 08/2000-07/2003)
• Palk Bay INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Tamil Nadu, Mandapam INDIA
• Andaman and Nicobar Islands INDIA
• INDIA
• Andhra Pradesh, Off Visakhapatnam (Lat: 17.73) (Long: 83.55) INDIA (Record: 04/1989-03/1990) (Depth: 50 mts)
• Tamil Nadu INDIA

Literature Source(s)
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Bal, DV and Rao, KV (1984) Marine fisheries Tata McGraw-Hill Publishing Company Limited 470 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
  • Fischer, W and Bianchi, G (Eds.) (1984) FAO species identification sheets for fishery purposes. Western Indian Ocean (Fishing Area 51) FAO, Rome 2 Available at - http://www.fao.org/docrep/009/ad468e/ad468e00.HTM#Contents
  • Rajaram, R; Srinivasan, M; Khan, SA and Kannan, L (2004) Ichthyofaunal diversity of great Nicobar Island, Bay of Bengal Journal of Indian fisheries association 31 13-26 Available at - NIO, Goa
  • James, PSBR (1975) A systematic review of the fishes of the family Leiognathidae Journal of the Marine Biological Association of India Marine Biological Association of India 17 (1) 138-172 Available at - http://eprints.cmfri.org.in/1445/1/James_138-172.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
  • 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
  • Biswas, KP (2009) Fishes around Indian Ocean Dominant Fish Groups Occurring in Indian Coasts Daya publishing house Available at - NIO,Goa

Page last updated on:2012-01-04

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