Rhynchorhamphus malabaricus   Collette,  1976 (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: FAO

Size: Maximum about 35 cm total length; standard length 25 cm (from tip of upper jaw to base of caudal fin); common to 20 cm standard length.

Color: Body greenish above, silvery below; with a silvery stripe on sides of body, bordered by a narrow blue stripe. Mandibular flaps black, tip of lower jaw greenish. Fins hyaline, dorsal and caudal fins distinctly bordered with black.

Body almost cylindrical. Nasal papilla fimbriate. Upper jaw dome-shaped, much longer than broad, its length about equal to eye diameter, scaled. Teeth in a few rows in both jaws, mostly pointed. Gillrakers 57-71 on first arch, usually 60 to 67, 15 to 20 on upper and 46 to 50 on lower limb of arch. No spines in fins. Dorsal fin with 13 to 15 soft rays. Anal fin with 12 to 15 soft rays; sum of dorsal and anal fin rays equal to usually 28 or less (25 to 30). Scales thin, 54 to 59 in lateral series. Caudal fin distinctly forked, lower lobe longer than upper. Two branches of lateral line running from ventral outline of fish toward pectoral fin base.

Synonym (s)
Hemirhampus georgia Day, 1877
Rhynchorhamphus malabaricus Collette, 1976
Rhynchorhamphus malabaricus Talwar and Kacker, 1984
Hemirhamphus georgii Day (nec Valenciennes), 1877
Hyporhamphus georgii (Valenciennes, 1846)

Common Name (s)
• Long Billed Half Beak (English)
• Malabar Halfbeak (English)
Economic Importance and Threats
Importance:  Commercial
Cultured:  Yes

Habitat:  Pelagic
Trophic Level:  Secondary Consumer
Prey:  Phytoplankton, benthic algae/weeds, other plants, bivalve larvae, copepods, decapod larvae, diatoms, polychaete, sea grass (Cymodocea)


• Orissa, Mahanadi Estuary (Lat: 20.32) (Long: 86.75) INDIA
• Tamil Nadu, Chennai Coast INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Tamil Nadu, Palk Bay INDIA
• West Coast, Malabar INDIA

Literature Source(s)
  • Zoological Survey of India (Eds.) (1998) Fauna Of Mahanadi estuary, Orissa Estuarine ecosystem series no 3 ZSI, Kolkata 1-218 Available at - ZSI, Pune
  • Venkatraman, K; Srinivasan, M; Satyanarayana, CH and Prabhakar D (2002) Faunal diversity of Gulf of Mannar biosphere reserve Conservation area series 15 ZSI 77 pp; VIII pla Available at - NCL, Pune
  • Talwar, PK and Kacker, RK (1984) Commercial sea fishes of India ZSI, Calcutta 997 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
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • 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
  • 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
  • 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
  • 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:2011-10-13

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