Paraluteres prionurus   (Bleeker,  1851) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: John Natoli

Size: 11.0 cm.

Color: Slightly greenish gray on back, creamy on sides and below with four dark brown bands, the first from insertion of first dorsal to eye, the second from below first dorsal towards base of pectoral and extending as a line behind pectoral, the third from anterior half of soft dorsal narrowing and ending above insertion of anal and the fourth below hind rays of soft dorsal. Sides of head, body and tail with irregular dark brown spots. A brown blotch on membrane behind tip of first dorsal spine. Soft dorsal and anal hyaline, tips of rays dusky. Caudal brownish basally, pale distally.

Somewhat elongate and compressed. Head 3.0 in standard length, 3.8 in total length. Depth of body 1.9 in standard length, 2.4 in total length. Eye diameter high up, 3.0 in head, 1.8 in snout and 1.2 in almost flat interorbital space. Gill opening a vertical slit above base of pectoral fin. First dorsal spine slender, curved and not fully erectile, 1.7 times eye diameter, its membrane reaching nearly to insertion of soft dorsal. Dorsal and anal fins slightly elevated anteriorly. Pectoral fin slightly longer than diameter of eye. Teeth not coalesced, the anterior pair larger than others. Two rows of two elongated slender spines on side of caudal peduncle.
Number of spines in the first dorsal fin: I; number of spines and rays in the second dorsal fin: 26; number of spines and rays in the anal fin: 24; number of rays in the pectoral fin: 11.

Solitary or in small groups. Adults are usually in pairs, but sometimes seen in small aggregations. Mimic the poisonous puffer, Canthigaster valentini which it greatly resembles.

Remarks: Values in above description denote proportions.

Synonym (s)
Paraluteres prionurus Bleeker, 1851
Alutarius prionurus Bleeker, 1851
Paraluteres prionurus de Beaufort and Briggs, 1962
Alutarius prionurus Bleeker, 1851
(Senior synonym)
Psilocephalus prionurus (Bleeker, 1851)
(Senior synonym)

Common Name (s)
• Mimic Leatherjacket (English)
• Mimic Filefish (English)
• False Puffer (English)
• Black Saddled Leatherjacket (English)
• Blacksaddle Mimic (English)
• Blacksaddle Filefish (English)
Economic Importance and Threats

Habitat:  Reef Associated
Trophic Level:  Secondary Consumer
Prey:  Feed on eggs, gastropods and grazes the substrate,benthic algae/weeds,plants


• Lakshadweep, Minicoy INDIA

Literature Source(s)
  • Wafar, MVM (2003) Checklists of reef fauna Available at -
  • Ocean Biogeographic Information System Available at -
  • Letourneur, Y; Chabanet, P; Durville, P; Taquet, M; Teissier, E; Parmentier, M; Quero, JC and Pothin, K (2004) An updated checklist of the marine fish fauna of Reunion Island, south-western Indian Ocean Cybium 28(3) 199-216
  • Allen, GR (2005) Reef fishes of northwestern Madagascar RAP Bulletin of Biological Assessment 31 39-48
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at -
  • 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
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Julian rocks Available at -
  • Fischer, W and Bianchi, G (Eds.) (1984) FAO species identification sheets for fishery purposes. Western Indian Ocean (Fishing Area 51) FAO, Rome 3 Available at -
  • Jones, S and Kumaran, M (1966) New records of fishes from the seas around India - Part IV Journal of the Marine Biological Association of India Marine Biological Association of India 8(1) 163-180 Available at -

Page last updated on:2011-03-09

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