Osbeckia scripta   (Osbeck,  1765) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: The Nature Conservation and Aquatic Sciences Service

Size: 62-415 mm

Color: Greenish brown; lower part of head and breast with 4 or 5 bluish violet lines and irregular dark violet and bluish spots and streaks on head and body. Soft dorsal and anal yellowish. Caudal bluish brown especially towards the distal part.

Head 3.2-3.4 in standard length, 4.4-4.8 in total length. Depth of body 2.8-3.0 in standard length, 3.9-4.4 in total length. Eye diameter 6.0-6.6 in head, 5.3-5.8 in snout and 1.4-1.6 in keeled interorbital space. Snout produced with concave upper profile. Lower jaw projecting beyond the upper, chin prominent. Gill opening oblique, its hind end below posterior third of eye. First dorsal spine above middle of eye and very rough anteriorly and on sides, its length being more than twice eye diameter. Soft dorsal and anal low. Teeth compressed and pointed, those near symphysis of lower jaw and lateral ones in upper jaw very broad. Pectoral fin less than two eye diameter in length. Caudal fin slightly longer than head. Depth of caudal peduncle equal to or a little more than 2/5 of head.
Number of spines in the first dorsal fin: I; number of spines and rays in the second dorsal fin: 46; number of spines and rays in the anal fin: 48-49; number of rays in the pectoral fin: i, 13.

Remarks: Values in above description denote proportions.

Synonym (s)
Balistes scriptus Osbeck 1757
Alutera scripta de Beaufort and Briggs 1962
Monacanthus scriptus Day 1878
Osbeckia scripta Smith 1949

Common Name (s)
• Scrawled Filefish (English)
• Fathi Rondu
Economic Importance and Threats
Importance:  Commercial
(Ornamental fish)



• Tamil Nadu, Chennai INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Lakshadweep, Agatti INDIA
• Lakshadweep, Kavaratti INDIA
• Lakshadweep, Minicoy INDIA
• Palk Bay INDIA

Literature Source(s)
  • (2002) Lakshadweep Islands biodiversity strategy and action plan (Version: 3)
  • 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
  • Jones, S and Kumaran, M (1980) Fishes of the Laccadive Archipelago The Nature Conservation and Aquatic Sciences Service, Trivandrum, Kerala 760 pp Available at - NIO, Goa
  • Murty, VS (1996) Marine ornamental fishes of India Proceedings of the Seminar on Fisheries - A Multibillion Dollar Industry, Madras CMFRI 23-34 Available at - http://eprints.cmfri.org.in/7786/1/678-Mur.pdf

Page last updated on:2011-04-05

Back to Search