A preliminary study on the Ichthyofaunal Diversity of the Mej River in Bundi District, Rajasthan Author Banyal, Harinder Singh Author Kumar, Sanjeev text Records of the Zoological Survey of India 2020 120 4 401 407 journal article 10.26515/rzsi/v120/i4/2020/150628 2581-8686 13186655 9. Ompok bimaculatus (Bloch, 1794) (Butter catfish) 1797. Silurus bimaculatus Bloch, Syst. Ichth . 11 : 17, Pl. 369. 2013. Ompok bimaculatus : Kottelat, Raffles Bull. Zool. Suppl. 27 : 235. Material examined: This species was identified from the fisherman’s catch, 33.0– 34.2 cm . Distribution: Throughout India including Rajasthan Remarks: Found in sluggish and frequently muddy water, in sandy streams, rivers and tanks.