Brachionus murrayi   Fadeew,  1925 (Rotifer)
Organism information awaits expert curation
Class: Eurotatoria

Size: Total length of lorica 150-213 µm; maximum width of lorica 116-144 µm; anterior lorica width 88-108 µm; distance from median to lateral spine 38-67 µm; median sinus gape 22-36 µm; antero-median spine length 22-36 µm; antero-intermediate spine length 11-18 µm; antero-lateral spine length 13-22 µm; maximum width-total length ratio 0.67-0.77; anterior width-maximum width ratio 0.63-0.68; egg size 103 x 89 µm (L x W).

Female – Lorica small ovoid to elliptical and not sharply separated into dorsal and ventral plates. Occipital spines six in number which are narrow markedly above the broad, inflated base and end in thin, acutely pointed tips or small based equilateral, equidistant triangular spines. The pectoral margin rigid and scalloped, shows considerable variations, irregularity of the four rounded projections. The occipital spines show considerable variations especially in the relative length of intermediate spines. Posterior spines absent. Foot opening with a small subsqaure aperture ventrally.

Synonym (s)
Brachionus mulleri Murray, 1913
Brachionus mulleri var. murray Fadeew, 1925
Brachionus rotundiformis murrayi Sudzuki, 1987

Common Name (s)
Economic Importance and Threats

Habitat:  Estuarine


• Kerala, Veli-Aakulum Lake (Lat: 8.41) (Long: 76.83) INDIA (Record: 02/2000-01/2001)
• Kerala, Veli-Aakulum Lake (Lat: 8.58) (Long: 76.96) INDIA (Record: 02/2000-01/2001)

Literature Source(s)
  • Anitha, PS and George, RM (2006) The taxonomy of Brachionus plicatilis species complex (Rotifera: Monogononta) from the Southern Kerala (India) with a note on their reproductive preferences Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 48(1) 6-13 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

Page last updated on:2010-10-28

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