Rhabdamia gracilis   (Bleeker,  1856) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Randall, J.E.

Size: 5-6 cm.

Color: Translucent white or pink, silvery on head and abdomen, caudal peduncle sometimes with a posteriorly placed black spot.

Rather elongate. Dorsal profile not much more convex rhan ventral one. Height 3.2-3.7, 3.9-4.8 in length with caudal. Head 2.5-3, 3.5-3.6 in length with caudal. Eye about 3, longer than snout and than interorbital space. Mouth oblique, lower jaw somewhat projecting. Maxillary reaching to below anterior half of eye. Praemaxillary with a narrow band of very fine teeth and an outer row of somewhat larger ones. Only this row is present in the lower jaw. Vomer with a semicrescentic shaped row of somewhat larger teeth. None or a few only on the palatines. Bones of the head without serrations. Dorsal spines weak, the third the longest, the second and fifth only slightly shorter, the first somewhat shorter than the second. Height of second dorsal 1.5 of first and 2.5 in height of body, its upper border feebly concave. Height of anal equal to postorbital part of head, its lower border concave. Caudal incised. Ventrals reaching anus. Pectorals a little shorter than head, their hindborder concave, they reach on anal. Scales cycloid, deciduous, those of opercles small and rounded. Three to four median keeled scales before first dorsal. About 22 slender gillrakers, longer than eye. Dorsal spines (total): 7-7, Dorsal soft rays (total): 9-9, Anal spines: 2, Anal soft rays: 12-13.

Dioecious, external fertilisation. Distinct pairing during courtship and spawning.

Remarks: Values in above description denote proportions.

Synonym (s)
Apogon gracilis (Bleeker, 1856)
(Senior synonym)
Apogonichthys gracilis Bleeker, 1856
(Senior synonym)
Rhabdamia gracilis (Bleeker, 1856)
(Senior synonym)
Amia gracilis Bleeker, 1876
Rhabdamia clupeiformis M. Weber, 1909
Apogonichthys gracilis Bleeker, 1856
Apogonichthys nudus Regan, 1905
Rhabdamia gracilis Weber and de Beaufort, 1929
Rhabadamia gracilis (Bleeker, 1856)

Common Name (s)
• Himabodi (Mahl)
• Poothathechala (Malayalam)
• Luminous Cardinalfish (English)
Economic Importance and Threats
Importance:  Commercial
(Used as bait in the tuna fishery)

Habitat:  Reef Associated
Trophic Level:  Secondary Consumer
Prey:  Benthic and planktonic invertebrates, fishes
Predator:  Synodus englemani (fish)


• Lakshadweep, Perumul Par INDIA (Record: 01/1988-02/1988)
• Lakshadweep, Kalpeni INDIA
• Lakshadweep, Minicoy INDIA
• Lakshadweep INDIA
• Karachi PAKISTAN
• Lakshadweep, Baliyapaniyam INDIA (Record: 01/1988-02/1988)
• Lakshadweep, Kalpeni INDIA
• Lakshadweep, Agatti INDIA (Record: 10/1986-03/1987)
• Lakshadweep, Perumal Par INDIA (Record: 10/1986-03/1987)
• Lakshadweep, Kadamatt INDIA (Record: 10/1986-03/1987)
• Lakshadweep, Kalpeni INDIA (Record: 10/1986-03/1987)
• Lakshadweep, Cheriyam INDIA (Record: 10/1986-03/1987)
• Lakshadweep, Thilakkam INDIA (Record: 10/1986-03/1987)
• Lakshadweep, Kavaratti INDIA (Record: 10/1986-03/1987)
• Lakshadweep, Suheli Par INDIA (Record: 10/1986-03/1987)
• Lakshadweep, Agatti INDIA

Literature Source(s)
  • Wafar, MVM (2003) Checklists of reef fauna Available at - http://www.reefindia.org/
  • Kuo, RS and Shao, KT (1999) Species composition of fish in the coastal zones of the Tsengwen estuary, with descriptions of five new records from Taiwan Zoological Studies 38(4) 391-404 Available at - NIO, Goa
  • Allen, GR and Mohammed, A (2003) Coral Reef Fishes of Indonesia Zoological Studies 42(1) 26299 Available at - Digital Information Resource Center, Pune.
  • Garpe, KC and Ohman, MC (2003) Coral and fish distribution patterns in Mafia Island marine park Tanzania fish habitat interactions Hydrobiologia Kluwer Academic Publishers 498 191-211 Available at - NIO, RC Kochi
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at - http://www.fishbase.org
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Pillai, PP; Gopakumar, G and Said Koya, KP (2002) Spatial distribution pattern and biology of tuna live-bait fishes in Lakshadweep Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 44(1 & 2) 231-236 Available at - NIO, Goa
  • Weber, M; Beaufort, LF (1929) The fishes of the Indo-Australian Archipelago E. J. Brill Ltd. 5 458 pp Available at - NIO, Goa
  • 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
  • Gopakumar, G; Pillai, PP and Koya, KPS (1991) Population characteristics of Tuna live baits in Laksahadweep Journal of marine biological association of India CMFRI, Kochi 33(1&2) 255-277 Available at - NIO, Goa
  • 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 - http://eprints.cmfri.org.in/569/1/Bulletin_8.pdf
  • Kumaran, M; Pillai, PP; Mohan, RSL; Murty, VS and Gopakumar, G (1989) Live-bait resources and development Marine living resources of the union territory of Lakshadweep: An indicative survey with suggestions for development Bulletin of Central Marine Research Institute CMFRI 43 39-45 Available at - http://eprints.cmfri.org.in/8213/1/Bulletin_No_43.pdf
  • Varghese, G and Shanmugham, P (1983) The status of tuna fishery in Agatti island in Lakshadweep Journal of marine biological association of India The marine biological association of india 25(1&2) 190-201 Available at - NIO, Goa
  • Proceeding of the national conference on tunas (1989) Present status of tuna fisheries of Lakshadweep Available at - http://eprints.cmfri.org.in/5096/

Page last updated on:2011-07-21

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