Chauliodus sloani   Bloch & Schneider,  1801 (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Gloerfelt-Tarp, T.

Size: Max length 35.0 cm SL (male/unsexed)

Color: Brown

Elongate, strongly compressed. Head deeper than body which tapers evenly to caudal fin base. Head about 6, depth of body 7, both in standard length. Eye diameter 3.8 in head and less than length of snout. Mouth wide, oblique, maxillary reaching to preopercle edge. Origin of dorsal fin behind vertical from the base of pectoral fins. First dorsal spine produced into a filament. Ventral fins almost midway between tip of snout and origin of anal fin. A short adipose fin present opposite to anal fin. Jaws with canines, the front four in each jaw excessively long; maxillary with small teeth. A single series of pointed teeth on palatines. Photophores: Two antorbital , a suborbital organ, 14 branchiostegals, 9 between isthmus and pectoral, 21 between pectoral and ventral, 23 between ventral and anal, 11 between anal and caudal, a group of five small organs at base of inframedian caudal rays and a second row of organs from gill opening to above vent.
Number of spines and rays in the dorsal fin: 6; number of spines and rays in the anal fin: 12; number of rays in the pectoral fin: 12; number of spines and rays in the ventral fin: 7.

Dioecious, external fertilization. Oviparous.

Remarks: Values in above description denote proportions.

Synonym (s)
Chauliodus sloani Bloch and Schneider, 1801
Chauliodus atlantis Barbour, 1942
(Junior synonym)
Chauliodus dannevigi McCulloch, 1916
(Junior synonym)
Chauliodus schneideri Risso, 1827
(Junior synonym)
Chauliodus sloanei dannevigi (McCulloch, 1916)
(Junior synonym)
Chauliodus sloanei secundus Ege, 1948
(Junior synonym)
Chauliodus sloani Bloch & Schneider, 1801
(Senior synonym)
Esox stomias Shaw, 1798
(Junior synonym)
Stomias boa (non Risso, 1810)
(Misapplied name)
Stomias schneideri (Risso, 1827)
(Junior synonym)
Chauliodus slouni Bloch & Schneider, 1801
Chauliodus sloanii Bloch & Schneider, 1801
Chauliodus sloanei sloanei Bloch & Schneider, 1801
Chauliodus setinosus Schneider, 1801

Common Name (s)
• Sloane's Viperfish (English)
• Manylight Viperfish (English)
Economic Importance and Threats

Habitat:  Pelagic, Open Sea
Trophic Level:  Consumer
Prey:  Crustaceans, fishes
Predator:  Fishes (Merluccius capensis, Merluccius paradoxus, Coryphaena hippurus, Merluccius albidus, Allocyttus verrucosus, Hoplostethus atlanticus), sharks (Centroscymnus coelolepis, Galeus melastomus), dolphins (Lagenodelphis hosei, Stenella longirostris)


• Bay of Bengal (Lat: 15) (Long: 90) INDIA
• Arabian Sea INDIA (Record: 02/1985-06/1987) (Depth: 2000-3689 mts)
• Lakshadweep Sea INDIA (Record: 02/1985-06/1987) (Depth: 2000-3689 mts)
• Andaman Sea INDIA (Record: 02/1985-06/1987) (Depth: 2000-3689 mts)
• Lakshadweep, Minicoy INDIA
• Lakshadweep, Minicoy Island (Lat: 8.11) (Long: 73.3) 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
  • 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 -
  • Balachandran, K and Nizar, MA (1990) A check list of fishes of the Exclusive Economic Zone of India collected during the research cruises of FORV Sagar Sampada Proceedings of the first workshop on scientific results of FORV Sagar Sampada CMFRI, Cochin 305-324 Available at -
  • Jones, S. (1969) Catalogue of fishes from the Laccadive Archipelago in the reference collections of the Central Marine Fisheries Research Institute. Bulletin of Central Marine Research Institute CMFRI, Cochin 8 1-35 Available at -
  • Jones, S and Kumaran, M (1959) The fishing industry of Minicoy Island with special reference to the tuna fishery Indian Journal of Fisheries Indian Council of Agricultural Research 6 (1) 30-57 Available at -
  • 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:2011-07-01

Back to Search