A taxonomic superclass of a diverse group of fish that have skeletons composed primarily of bone tissue. Supplement. Osteichthyes is taxonomic superclass of the phylum Chordata (chordates) and includes groups of fish that have skeletons mainly composed of bone tissues.
Bagdogra Airport, (IATA: IXB, ICAO: VEBD) is located in about 16 km (9.9 mi) west of the city of Siliguri in the Darjeeling district in northern West Bengal, India. It is operated as a civil enclave at AFS Bagdogra of the Indian Air Force.
The Hooghly River is formed by the confluence of the Bhagirathi River and Jalangi River at Nabadwip, and Hooghly has a number of tributaries of its own. The largest is the Damodar River, which is 541 km (336 mi) long, with a drainage basin of 25,820 km 2 (9,970 sq mi).he Ganges was ranked as the fifth most polluted river of the world in 2007. Pollution threatens not only humans, but also more than 140 fish species, 90 amphibian species and the endangered Ganges river dolphin.