Brachionus forficula   Wiezejski,  1891 (Rotifer)
Organism information awaits expert curation
Class: Eurotatoria

Image copyrights: The Marine Biological Association of India

Size: Length of lorica 84-119 µm; maximum width of lorica 63-112 µm.

Lorica firm, stippled, divided into dorsal and ventral plates, moderately compressed dorso-ventrally. Occipital margin with four spines. Laterals always longer than medians. Intermediate spines wanting. All occipital spines rounded at tips, rarely pointed. Mental margin rigid with two well marked lobes. Lorica terminates posteriorly in two stout, long and sub square spines, widely separated basally and tapering to blunt points. Geniculate swellings present at bases of posterior spines. Foot opening between bases of posterior spines.

Synonym (s)

Common Name (s)
Economic Importance and Threats

Habitat:  Estuarine


• Kerala, Vypin INDIA (Record: 08/2000-07/2002)
• Kerala, Puthuvypu INDIA (Record: 08/2000-07/2002)
• Kerala, Narakkal INDIA (Record: 08/2000-07/2002)
• Kerala, Cherai INDIA (Record: 08/2000-07/2002)
• Kerala, Eloor INDIA (Record: 08/2000-07/2002)
• Kerala, Poothotta INDIA (Record: 08/2000-07/2002)
• Kerala, Kochi Backwaters INDIA (Record: 08/2000-07/2002)
• Tamil Nadu, Pichavaram Mangroves (Lat: 11.45) (Long: 89.8) INDIA (Record: 12/1986-11/1987)
• Kerala, Ernakulam, Market canal INDIA (Record: 08/2000-07/2002)

Literature Source(s)
  • Varghese, M; Krishnan, L and Kuttyamma, VJ (2006) Systematic account on rotifers of the genus Brachionus from Cochin Backwaters Journal of the Marine Biological Association of India The Marine Biological Association of India 48(2) 147-155 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Varghese, M and Krishnan, L (2008) A preliminary study on rotifer fauna of Cochin backwaters, Kerala Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin, India 50(1) 119-121 Available at - NIO, Goa
  • Govindasamy, C and Kannan, L (1991) Rotifers of the Pitchavaram mangroves (Southeast coast of India): A hydrobiological approach Mahasagar- Bulletin of National Institute of Oceanography NIO, Goa 24( 1) 39-45 Available at - NIO,Goa
  • Varghese, M (2011) Distribution of brachionus species (Phylum Rotifera) in Cochin backwaters, Kerala, India Journal of the Marine Biological Association of India Marine Biological Association of India 53(1) 130-134 Available at -
  • Varghese, M (2006) Taxonomic account of rotifers in the study area Studies on the taxonomy, distribution, ecology and reproductive potential of rotifers from selected centres in Cochin backwater system, Kerala Central Marine Fisheries Research Institute 1-343 Available at -

Page last updated on:2011-09-27

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