Monocentris japonicus   (Houttuyn,  1782) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Size: 16-17 cm

Color: Yellowish brown, luminescent bacteria occur in the lower jaw symphysis where they appear as two black spots.

The pineapplefish has an oblong to circular body covered by enlarged scales forming a solid rough armour which resembles a pineapple or pine-cone. There is a single dorsal fin with 5-7 stout spines and 10-12 rays. The spineless anal fin has 9-11 rays. The pectoral fins have 13-15 soft rays each. The pelvic fins have 1 huge, strong spine with a locking mechanism and 3 rudimentary rays each. Height 1.6-1.8, nearly twice to 2.2 in length with caudal. Head 2.2-2.3, 2.5-2.8 in length with caudal. Eye 3.4, equal to snout and less than twice in the exceedingly convex interorbital space. Mouth very large, somewhat oblique, almost inferior. Lower jaw included in upper jaw. Maxillary reaching far behind hindborder of eye. Dorsal spines strongly heteracanth, diverging to left and right alternately when erected. Second spine the longest, somewhat longer than the third, which is twice as long as first spine, lastnamed spine is longer than fourth and fifth spine. Sixth spine, if present, minute. Origin of anal below middle of soft dorsal. Pectorals somewhat more than postorbital part of head. Ventral spine shorter or longer than head without snout.

Remarks: Values in above description denote proportions.

Synonym (s)
Gasterosteus japonicus Houttuyn, 1782
Sciaena japonica Thunberg, 1790
Monocentris carinata Bloch and Schneider. 1801
Lepisacanthus japonicus Lacepede, 1802
Monocentris japonicus Cuvier and Valenciennes, 1829
Monocentris japonicus Schlegel, 1847
Monocentris cataphracta Bleeker. 1854
Monocentris japonicus Brevoort, 1856
Monocentris japonicus Gunther, 1859
Monocentris japonicus Hilgendorf, 1879
Monocentris japonicus Macleay, 1881
Monocentris japonicus Steindachner and Doderlein, 1883
Monocentris japonicus Nystrom, 1887
Monocentri japonicus Alcock, 1898
Monocentris japonicus Jordan and Fowler, 1902
Monocentris japonicus Franz, 1910
Monocentris japonicus M. Weber, 1913
Monocentris japonicus Barnard, 1925

Common Name (s)
• Pineappelfish (English)
• Pinecone Fishes (English)
• Pineapple Fish (English)
Economic Importance and Threats
Importance:  Commercial

Habitat:  Benthic, Coastal


• Tamil Nadu, Mandapam (Lat: 9.28) (Long: 79.12) INDIA
• Gulf of Oman
• Andaman and Nicobar Islands, Andaman INDIA
• Andaman and Nicobar Islands INDIA

Literature Source(s)
  • Rao, DV; Devi, K and Rajan, PT (2000) An account of ichthyofauna of Andaman and Nicobar Islands, Bay of Bengal Occasional paper no 178 Records of the Zoological Survey of India ZSI, Calcutta 1-434 Available at - NCL, Pune
  • Zoological Survey of India (Eds) (1991) Animal resources of India (Protozoa to Mammalia) ZSI 1-694 Available at - NCL, Pune
  • Hussain, SM Brief report on biodiversity in the coastal areas of Pakistan p 113
  • 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
  • Deraniyagala, PEP (1952) A Colored Atlas of some vertebrates from Ceylon Ceylon National Museum Publication 1 1-149 Available at - NIO, RC Kochi
  • Tun, MT (2001) Marine fishes of Myanmar (pelagic and demersal) U Than Tun, Director-General, Department of Fisheries, Ministry of Livestock and Fisheries, Myanmar 276 pp Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Al-Abdessalaam, TZS (1995) Marine species of the Sultanate of Oman p 412 Available at - NIO, Goa
  • Weber, M; Beaufort, LF (1929) The fishes of the Indo-Australian Archipelago E. J. Brill Ltd. 5 458 pp Available at - NIO, Goa
  • 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

Page last updated on:2011-07-18

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