Paramonacanthus oblongus   (Temminck and Schlegel,  1850) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: The Nature Conservation and Aquatic Sciences Service

Size: 7.8 cm.

Color: Brown with darker areas below anterior half of second dorsal and on caudal peduncle and indistinct dark lines on cheek. Dorsal, anal and pectoral pale hyaline. Caudal pale at base and margin, brownish in the middle.

Dorsal profile of head almost straight. Head 3.0 in standard length, 3.7 in total length. Depth of body 2.8 in standard length, 3.4 in total length. Eye diameter 3.5 in head, 2.5 in snout and 0.9 in convex interorbital space. Gill opening below hind border of eye, its upper edge less than an eye diameter from eye. First dorsal spine about twice in head, originating behind a level from the middle of eye, its anterior surface with granulations, the postero-lateral edges with 6 downwardly directed short barbs. Second spine minute. Dorsal and anal fins falcate; longest rays of dorsal about 1.8, longest rays of anal about twice in head. Pectoral fin 2.3 in head. Pelvic shield short. Pelvic spine slender and movable with small spinules. Middle rays of caudal longest. Scales with basal plate bearing 2 to 4 spinules.
Number of spines in the first dorsal fin: II; number of spines and rays in the second dorsal fin: 28; number of rays in the pectoral fin: 11.

Remarks: Values in above description denote proportions.

Synonym (s)
Monacanthus oblongus Temminck and Schlegel, 1846
Monacanthus curtorhynchus Bleeker, 1855
Paramonacanthus barnardi Fraser-Brunner, 1941
Paramonacanthus oblongus Jones and Kumaran, 1966
Monacanthus oblongus Temminck & Schlegel, 1850
(Senior synonym)
Stephanolepis oblongus (Temminck & Schlegel, 1850)
(Senior synonym)

Common Name (s)
Economic Importance and Threats

Habitat:  Demersal
Trophic Level:  Secondary Consumer
Prey:  Small invertebrates


• Lakshadweep, Kavaratti INDIA
• Lakshadweep INDIA
• Persian Gulf

Literature Source(s)
  • 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 -
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at -
  • Jones, S and Kumaran, M (1966) New records of fishes from the seas around India - Part IV Journal of the Marine Biological Association of India Marine Biological Association of India 8(1) 163-180 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 -

Page last updated on:2011-03-11

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