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Rohu reach sexual maturity between two and five years of age. They generally spawn during the monsoon season, keeping to the middle of flooded rivers above tidal reach. The spawning season of rohu generally coincides with the southwest monsoon. Spawn may be collected from rivers and reared in tanks and lakes. [2]
This is a list of the fish species found in India and is based on FishBase. [1] Albuliformes ... Zenarchopterus buffonis (native), Buffon's river-garfish;
Fish boats in Tamil Nadu. Fishing in India contributed over 1% of India's annual gross domestic product in 2008. Fishing in India employs about 14.5 million people. [6] To harvest the economic benefits from fishing, India has adopted exclusive economic zone, stretching 200 nautical miles (370 km) into the Indian Ocean, encompasses more than 2 million square kilometers.
However, India only catches only 8 percent of its annual rainfall due to poor rainwater harvesting. Due to rapid urbanization, a lot of the ponds used to capture water have been lost due to the rising population and inefficient implementation of city planning guidelines. [21] India has also been lacking in the treatment of wastewater for
It is native to rivers and lakes in northern India, Bangladesh, Myanmar, Nepal, and Pakistan, but has also been introduced elsewhere in South Asia and is commonly farmed. [1] [2] In Nepal and neighbouring regions of India, up to Odisha, it is called Bhakura. Catla is a fish with large and broad head, a large protruding lower jaw, and upturned ...
The fresh water fishes of the Indian region. Narendra Publishing House, New Delhi. Pp 551. Day F. 1878. The fishes of India: being a natural history of the fishes known to inhabit the seas and fresh waters of India, Burma and Ceylon. Text and Atlas in 4 Parts. London, pp xx + 778+195. Daniels R. 2002. Fresh water fishes of Peninsular India.
Water pollution is a major environmental issue in India. The largest source of water pollution in India is untreated sewage. [1] Other sources of pollution include agricultural runoff and unregulated small-scale industry. Most rivers, lakes and surface water in India are polluted due to industries, untreated sewage and solid wastes.
Fertilizers and pesticides used in agriculture in northwestern India have been found in rivers, lakes and ground water. [23] Flooding during monsoons worsens India's water pollution problem, as it washes and moves all sorts of solid garbage and contaminated soils into its rivers and wetlands.