In the ornamental fish markets of India, the euryhaline spotted scat Scatophagus argus and pearlspot Etroplus suratensis are popularly sold as ornamental fish. This article describes the nursing of wild-caught spotted scat seed and in-pond breeding of pearlspot to produce marketable sized fish at the Joykrishna hatchery and fish seed farm, located in the Hooghly River estuarine zone in coastal West Bengal, India. The fish are reared in brackishwater ponds for commercial utilisation as ornamental fish, supplying Hyderabad and other cities.
Makhana, Euryale ferox is a perennial aquatic herb with gigantic floating leaves that grows in still, shallow water. The sowing and harvesting of makhana seeds, a casual food for rural folk, is conducted by groups of migratory people belonging to the Mallah or Sahini community of Bihar. The makhana seeds are usually fallen and scattered over the bottom of the wetlands (beels) and must be collected manually by diving during September-November. The raw seeds sell for Rs. 60-70 per kg in Assam.
印度国际观赏鱼贸易中所占的份额是微不足道的,但已经能够多年来表现出持续增长。印度交易的总观赏鱼,约85%是由西高止山脉和印度东北采购的原生鱼类。在季节性水体本地鱼类的水产养殖能起到生计的自然保护和生成的作用。 Imparting knowledge regarding ornamental fish trade and establishing market linkages is required to further develop the industry.
The use of sludge or ‘tubifex’ worm, Tubifex tubifex, as a live food for juvenile fish has been long practiced in farmers’ fields and it is an important fish food for spawn rearing. The cost of tubifex worm becomes prohibitive in the dry season, when supplies are limited. We conducted trials to test the feasibility of culturing tubifex using a selection of agro-industrial wastes. Net biomass production was highest using rice mill sludge as a food source, over a culture period of 20 days.
此短研究报告中提供了关于侵入福寿螺(福寿螺 EM>属)和水稻种植在文莱见解。在2009年首次发现这种淡水螺侵入,但它从来没有有意引入。从那时起,他们的人口已迅速蔓延上升到几乎所有的稻区遍布全国各地,成为灌溉移栽水稻的主要害虫。研究出没的国家之间的合作是准确的物种鉴定重要,更好入侵途径的理解。 P>
巴基斯坦信德省是非常丰富的水产资源,具有很强的灌溉网络。 Farmers, after facing immense agricultural problems, now are considering aquaculture as an alternate option and converting their properties for aquaculture production. Commercial pond-based carp culture has significantly expanded and is now widely practiced in Sindh. Carp farmers have been making good profits and achieving high yields. Although aquaculture presently plays a modest role in the national economy of Pakistan its future prospects are bright.