Dibranchus nasutus   Alcock,  1891 (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Radcliffe, Lewis

Size: 145 mm.

Color: In preserved specimens dark brownish or yellowish.

Height 5.3-6.1, 5.9-7.7 in length with caudal. Head 1.7-1.8, 2.1-2.2 in length with caudal, 1.1-1.28 in its greatest breadth, which goes 1.4-1.5 in length of fish without caudal. Eye 6.9-7.3, about equal to snout and 1.9-2 in shortest breadth of interorbital space (the eyes converging anteriorly) in large specimens and equal to interorbital space in small ones. Mouth horizontal, somewhat arched. Maxillary reaching to below front border of eye. Rostrum well prominent above mouth. Opening of rostral cavity oval, longer than high. Illicium with two lateral, rounded bulbs and a median one which is more or less filamentous. Origin of dorsal about midway between tip of caudal and tip of snout, slightly behind gill opening, totally in advance of the anal. Dorsal and anal rays simple. Brachial part of pectorals shorter than rayed part, which is about equal in distance between outer border of eye. Ventrals as long as pectorals in small specimens, shorter than pectorals in larger ones. Caudal slightly rounded. Skin of upper parts covered with spines on stellate bases, those along edge of disk larger and often bifid. Two rows of large, slender spines along base of dorsal and anal, the upper row continued for a short distance on disk before dorsal. Spines on lower parts much smaller.

Remarks: Values in above description denote proportions.

Synonym (s)
Dibranchus nasutus Brauer, 1906
Dibranchus nasutus Radcliffe, 1912
Dibranchus nasutus M. Weber, 1913

Common Name (s)
• Sea Batfish
Economic Importance and Threats



• Andaman and Nicobar Islands, Andaman Islands INDIA
• Off South West Coast INDIA (Record: 01/1962-12/1968) (Depth: 180-450 mts)
• Andaman and Nicobar Islands INDIA

Literature Source(s)
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at - http://www.fishbase.org
  • Alcock, A (1994) A descriptive catalogue of the Indian deep sea fishes in the Indian museum Oxford and IBH Publishing Co. Pvt. Ltd.,New Delhi 1-211 Available at - CMFRI Library, Cochin- 682018
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Beaufort, LF and Briggs, JC (1962) The fishes of the Indo-Australian Archipelago Pataudi House, Daryaganj, New Delhi 11 481 pp Available at - NIO, Goa
  • Silas, EG (1969) Part-1 Exploratory otter trawling surveys by R.V. Varuna and other vessels operating in association with her from the continental shelf edge and the upper continental slope off the south-west coast of India Exploratory fishing by R.V. Varuna Bulletin Of Central Marine Fisheries Research Institute CMFRI, Cochin 12 7-51 Available at - http://eprints.cmfri.org.in/657/2/Bulletin_No_12_1.pdf
  • Digital collections University of Washington libraries Available at - http://content.lib.washington.edu/
  • 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
  • Pillai, PKM and Augustine, SK (2000) A code list of common marine living resources of the Indian seas CMFRI Special Publication No.12 CMFRI 1-115 Available at - eprints.cmfri.org.in/3975/1/Special_Publication_No_12_Revised.pdf

Page last updated on:2011-12-14

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