Kyphosus cinerascens   (Forsskal,  1775) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Randall, J.E.

Size: 38-50 cm.

Weight: 1625 gm

Color: Grey to olivaceous, lighter below with a narrow dark band along each row of scales on sides. A light indistinct band from snout to below eye. Fins grey to brownish. Juveniles with dark edges to dorsal and anal fins.

Head 3.5-3.7 in standard length, 4.5-4.8 in total length. Rostro-dorsal profile convex with a swelling above nostrils. Depth of body 2.2-2.4 in standard length, 2.8-3.1 in total length. Eye diameter 3.5-3.7 in head, 1.0-1.1 in snout and 1.3-1.4 in convex interorbital space. Pectoral fin as long as head without snout. Ventral fin slightly shorter than pectoral. Maxillary reaching to front border of eye. Operculum with a blunt spine. A single row of lanceolate teeth in jaws, teeth minute on vomer, palatines and tongue. Base of spinous dorsal fin much longer than that of soft dorsal. Dorsal fin rays much higher than highest dorsal spines. Anterior rays of anal fin loger than longest dorsal fin spines.
Number of spines and rays in the dorsal fin: XI, 12; number of spines and rays in the anal fin: III, 11-12; number of rays in the pectoral fin: 18; number of spines and rays in the ventral fin: I, 5; number of scale rows along the lateral line: 62-64; number of horizontal scale rows usually counted from origin of the dorsal fin to the lateral line and from anal origin to the lateral line: 9-10+1+18-19; gill raker count: 7-9+1+18-21.

Reproduction is sexual, oviparous.

Found in aggregations over hard, algal coated bottoms of exposed, surf-swept outer reef flats, lagoon and seaward reefs, to a depth of at least 24 m. Appear to be more commonly involved in hallucinogenic fish poisoning than most other related species.

Remarks: Values in above description denote proportions.

Synonym (s)
Kyphosus lembus (non Cuvier, 1831)
(Misapplied name)
Kyphosus indicus (Cuvier, 1831)
(Junior synonym)
Pimelepterus indicus Cuvier and Valenciennes, 1831
Pimelepterus tahmel Ruppel, 1840
Pimelepterus indicus Bleeker, 1851
Pimelepterus altipinnis Bleeker, 1852
Pimelepterus Dussumieri Bleeker, 1853
Pimelepterus tahmel Gunther, 1859
Pimelepterus tahmel Bleeker, 1860
Opisthistius tahmel Gill, 1862
Pimelepterus tahmel Playfair, 1866
Pimelopterus (sic) tahmel Klunzinger, 1870
Pimelepterus cinerascens Day, 1870
Pimelepterus cinerascens Bleeker, 1877
Pimelepterus cinerascens Day, 1888
Pimelepterus indicus Klunzinger, 1880
Pimelepterus indicus Steindachner and Doderlein, 1883
Pimelepterus cinerascens Klunzinger, 1884
Pimelepterus indicus Macleay, 1884
Pimelepterus cinerascens Day, 1889
Pimelepterus tahmel Sauvage, 1891
Pimelepterus cinerascens Thurston, 1895
Pimelepterus cinerascens Steindachner, 1901
Kyphosus cinerascens Seale, 1906
Kyphosus cinerascens Jordan and Richardson, 1908
Kyphosus cinerascens Jordan and Thompson, 1912
Kyphosus cinerascens Kendall and Radcliffe, 1912
Kyphosus cinerascens M. Weber, 1913
Kyphosus cinerascens Ogilby, 1913
Kyphosus cinerascens Jordan, 1913
Kyphosus cinerascens de Beaufort, 1913
Kyphosus cinerascens McCulloch, 1917
Kyphosus cinerascens Jordan and Stark, 1917
Kyphosus cinerascens McCulloch, 1920
Kyphosus cinerascens Herre and Montalban, 1927
Kyphosus cinerascens Fowler, 1928
Pimelepterus cinerascens Duncker and Mohr, 1929
Pimelepterus cinerascens Pillay, 1929
Kyphosus cinerascens Whitley, 1920
Kyphosus cinerascens Herre, 1931
Kyphosus cinerascens Fowler, 1933
Pimelepterus cinerascens Borodin, 1932
Kyphous cinerascens Weber and de Beaufort, 1936
Pimelepterus cinerascens Day, 1878
Cantharus maculatus Valenciennes, 1830
(Junior synonym)
Kyphosus cinerascens (Forsskal, 1775)
(Senior synonym)
Pachymetopon squamosum Alleyne & Macleay, 1877
(Junior synonym)
Pimelepterus altipinnis Cuvier, 1831
(Junior synonym)
Pimelepterus altipinnoides Guichenot, 1863
(Junior synonym)
Pimelepterus cinerascens (Forsskal, 1775)
(Senior synonym)
Pimelepterus dussumieri Cuvier, 1831
(Junior synonym)
Pimelepterus indicus Cuvier, 1831
(Junior synonym)
Pimelepterus raynaldi Cuvier, 1831
(Junior synonym)
Pimelepterus tahmel (Forsskal, 1775)
(Ambiguous synonym)
Sciaena cinerascens Forsskal, 1775
(Senior synonym)
Scorpis vinosa Alleyne & Macleay, 1877
(Junior synonym)

Common Name (s)
• Blue Sea Chub (English)
• Kiruliamas (Mahl)
• Kakkuratti (Malayalam)
• Punji (Malayalam)
• Ashen drummer (English)
• Thendala (Tamil)
• Snubnose Chub (English)
• Ashen Sea-chubb (English)
• Blue Seachubb
Economic Importance and Threats
Importance:  Commercial, Dangers
Poisonous to eat)

Habitat:  Bentho Pelagic, Reef Associated, Coastal
Trophic Level:  Primary Consumer
Prey:  Plants, zoobenthos, seaweeds and associated invertebrates


• Andaman and Nicobar Islands, Andaman Islands INDIA
• Lakshadweep, Bitra INDIA
• Lakshadweep, Chettalatt INDIA
• Lakshadweep, Minicoy INDIA
• Red Sea
• Lakshadweep INDIA
• Andaman and Nicobar Islands, Great Nicobar Island INDIA (Record: 08/2000-07/2003)
• Tamil Nadu, Gulf of Mannar INDIA
• Lakshadweep, Bangaram INDIA (Record: 09/02/1987-25/02/1987)
• Lakshadweep, Tinnakara INDIA (Record: 09/02/1987-25/02/1987)
• Orissa, Puri INDIA
• Andaman and Nicobar Islands INDIA
• West Bengal (Lat: 21.45) (Long: 87.9) INDIA

Literature Source(s)
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  • Rajaram, R and Nedumaran, T (2009) Ichthyofaunal diversity in great Nicobar biosphere reserve, Bay of Bengal Journal of Threatened Taxa Wildlife Information Liaison Development Society 1(3) 166-169 Available at -
  • Dr. Kumaraguru, AK (2000) Studies on socioeconomics of Coral Reef resource users in the Gulf of Mannar coast, South India Centre for Marine and Coastal studies School of Energy, Environment and Natural Resources Madurai Kamaraj University, Madurai, India Available at -
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Page last updated on:2012-01-18

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