Ambassis interrupta   Bleeker,  1852 (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Toshiyuki Suzuki

Size: 12 cm.

Max. weight: 12.0 g

Color: In alcohol specimens yellowish brown. Opercles and a lateral median band on body and tail silvery. Membrane between second and third dorsal spine dusky.

Somewhat oblong, dorsal profile of head almost straight, that between occiput and dorsal arched. Height 2-2.3, 2.7-3 in length with caudal. Head 2.6-3, 3.5-4 in length with caudal. Eye 2.5-2.7. Snout about equal to interorbital space and about two thirds of eye. Mouth much oblique. Chin prominent. Maxillary reaching to below front border of eye or a little farther, its posterior end obliquely truncated. Small pointed teeth in a few rows in jaws, in a single row on vomer and palatines. Teeth on tongue. Praeorbital with pointed coarse serrations. Orbital rim with blunt serrations anteriorly. Supraorbital ridge smooth, ending behind in a single spine. Horizontal limb of praeopercular ridge strongly serrated, a larger spine at edge of praeopercular ridge. Interoperculum with 4-13 distinct serrations. Two rowsof scales on cheeks. Dorsal separated by 12-15 scales from occiput. First dorsal spine small, second one much stronger and longer than the others, somewhat shorter or longer than head. Third anal spine slightly longer than second one, equal to postorbital part of head and two thirds of eye and half diameter of eye longer than eighth dorsal spine. Fin-membrane between the two parts of the dorsal attached to basal fourth of eighth spine. Pectorals longer than ventrals, equal to or longer than head without snout. Caudal deeply forked. Lateral line interrupted below eighth dorsal spine, continued again some scales farther backwards on median line of tail. Least height of caudal peduncle slightly less than its length, equal to postorbital part of head.
Dorsal spines (total): 8-8, Dorsal soft rays (total): 9-10, Anal spines: 3, Anal soft rays: 9-10. Body very high, 50% of SL. Lateral line incomplete, but a few pored scales on a silvery midlateral band. Lower margin of inter operculum with few spines. The second spine of the first dorsal fin is strong and very long.

Dioecious, non obligatory plant spawner, predominantly marine or estuarine spawner, external fertilization, nonguarders of eggs.

Remarks: Values in above description denote proportions.

Synonym (s)
Ambassis macracanthus Day, 1870
Ambassis interrupta Peters, 1869
Ambassis interrupta Steindachner, 1870
Ambassis interrupta Bleeker, 1877
Ambassis interrupta Day, 1878
Ambassis interrupta von Martens, 1876
Priopis interruptus Jordan and Seale, 1907
Priopis buruensis Jordan and Richardson, 1908
Ambassis interrupta M. Weber, 1913

Common Name (s)
Economic Importance and Threats
Importance:  Commercial
Cultured:  No

Habitat:  Demersal
Trophic Level:  Secondary Consumer
Prey:  Zooplankton, detritus, zoobenthos, plants


• Andaman and Nicobar Islands, Andaman Islands (Lat: 12.5) (Long: 92.75) INDIA
• Kerala, Alappuzha INDIA
• Kerala, Ambalappuzha INDIA
• Andaman and Nicobar Islands, Andaman INDIA

Literature Source(s)
  • Herre, AWCT (1938) A list of the fishes known from the Andaman Islands Memoirs of the Indian Museum The Manager of Publications, Delhi 13 331-403 Available at - NIO, RC, Kochi
  • Jaafar, Z; Hajisamae, S; Chou, LM and Yatiman, Y (2004) Community structure of coastal fishes in relation to heavily impacted human modified habitats Hydrobiologia 511 113-123 Available at - Zoological Records
  • Tongnunui, P; Ikejima, K; Yamane, T; Horinouch, M; Medej, T; Sano, M; Kurokura, H and Taniuchi, T (2002) Fish fauna of the Sikao Creek mangrove estuary,Trang, Thailand Fisheries Science 68 Available at - NCL, Pune
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at -
  • Kurian, CV (1953) A preliminary survey of the bottom fauna and bottom deposits of the Travancore coast within the 15-fathom line Proceedings of the National Institute of Sciences of India 19 746–775 Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Weber, M; Beaufort, LF (1929) The fishes of the Indo-Australian Archipelago E. J. Brill Ltd. 5 458 pp Available at - NIO, Goa
  • FishPix Available at -

Page last updated on:2010-03-30

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