Aluterus monoceros   (Linnaeus,  1758) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Mya Than Tun

Size: Max length 76.2 cm TL (male/unsexed); common length 40.0 cm TL (male/unsexed)

Max. weight reported: 2,710 g

Color: Sandy to grey with small brown spots above, soft dorsal and anal fins pale yellowish to brownish, caudal membrane blackish brown.

Rudimentary pelvic spine disappears in large specimen. Snout convex in adults. Dorsal spines (total): 2-2, Dorsal soft rays (total): 45-52, Anal spines: 0, Anal soft rays: 47-53.

Synonym (s)
Alutarius amphacanthoides Bleeker, 1852
Alutarius macracanthus Bleeker, 1852
Alutera cinerea Temminck & Schlegel, 1850
(Junior synonym)
Alutera guntheriana Poey, 1863
(Junior synonym)
Alutera monocera (Linnaeus, 1758)
(Senior synonym)
Alutera monoceros (Linnaeus, 1758)
Aluteres berardi Lesson, 1831
(Junior synonym)
Aluterus anginosus Hollard, 1855
(Junior synonym)
Balistes monoceros Linnaeus, 1758
(Senior synonym)
Balistes serraticornis Freminville, 1813
(Junior synonym)
Monacanthus anginosus Hollard, 1853
(Junior synonym)
Aluetera monocerus (Linnaeus, 1758)

Common Name (s)
• Unicorn Leatherjacket (English)
• Unicorn Filefish (English)
• Triggerfish (English)
• Batfish (English)
• Yellow Finned Leatherjacket (English)
Economic Importance and Threats
Importance:  Commercial, Dangers
(Fisheries, marketed fresh or frozen
Causes ciguatera poisoning)
Cultured:  Unknown

Habitat:  Bentho Pelagic, Reef Associated
Trophic Level:  Secondary Consumer
Prey:  Crabs, hard corals, benthic invertebrates, planktonic invertebrates, benthic algae/weeds


• Andaman and Nicobar Islands INDIA
• Tamil Nadu, Gulf of Mannar 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
  • Chatterjee, TK; Talukdar, RS and Mukherjee, AK (2000) Fish and fisheries of Digha coast of West Bengal Occasional paper no 188 Records of the Zoological Survey of India 31778 Available at - NCL, Pune
  • Ocean Biogeographic Information System Available at -
  • Hussain, SM Brief report on biodiversity in the coastal areas of Pakistan p 113
  • Lamberth, SJ; Clark, BM and Bennet, BA (1995) Seasonality of beach seine catches in False Bay, South Africa and implications for management South African Journal of Marine Science 15 157 - 167 Available at - NIO, Goa
  • Kuo, RS and Shao, KT (1999) Species composition of fish in the coastal zones of the Tsengwen estuary, with descriptions of five new records from Taiwan Zoological Studies 38(4) 391-404 Available at - NIO, Goa
  • (1994) The effect of artificial reef installation on the biosocioeconomics of small scale fisheries in Ranong province, Thailand Bay of Bengal Programme Available at - NCL, Pune
  • 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 and Mohammed, A (2003) Coral Reef Fishes of Indonesia Zoological Studies 42(1) 26299 Available at - Digital Information Resource Center, Pune.
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at -
  • 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 -
  • Varghese, M; Manisseri, MK; Ramamurthy, N; Geetha, PM; Thomas, VJ and Gandhi, A (2011) Coral reef fishes of Gulf of Mannar, S.E of India Fishing Chimes CMFRI 31(1) 38-40 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:2011-08-16

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