Freshwater finfish

Information relating to aquaculture of freshwater finfish.

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Naihati fish seed market as state-of-the-art for sustainable support services to fish growers, buyers and traders

Naihati fish seed market of West Bengal was established in 1976 and is the largest seed market in India. With the advent of induced breeding technology and hatcheries, fish seed is now available almost year-round, catering to the need of Indian farmers. Situated in North 24 Parganas, Naihati wholesale fish seed market is a well-known establishment that provides multifaceted services to stakeholders including fish seed growers, retailers, sellers, and mediators. This article describes the state of the market as aspects of its evolution over time.

Tilapia parvovirus disease: An emerging threat for the tilapia aquaculture industry

In late 2022 tilapia parvovirus (TiPV) was found to be associated with mass mortalities of tilapia in Odisha, India, both individually and in co-infections with tilapia lake virus. Infections have also been reported from Thailand and China. Clinical signs include lethargy, scale loss, redness on the body with haemorrhages on the operculum, base of fins and ventral part, opaqueness of the eyes, swimming near the pond edge and loss of appetite before death. This article describes the epidemiology of TiPV disease including its diagnosis, transmission, prevention and control, and its potential impact on the tilapia aquaculture industry.

Nationally-recognised ornamental fish breeder Kripan Sarkar - a man to remember

The Late Sri Kripan Sarkar was an enterprising ornamental fish breeder-cum-farmer par excellence, exporter and supplier of the same from northern part of West Bengal. As proprietor of Rainbow Ornamental Fish Farm, at Bakshipara Village in Jalpaiguri District, he was an expert and authority in scientific breeding, larval rearing, propagation, research and experimentation on economically important freshwater ornamental fishes. There was a time when Sri Sarkar was the only commercial ornamental fish breeder in north Bengal. This article documents his experiences and career as an influential pioneer in the ornamental fish culture trade.

Reported Aquatic Animal Diseases in the Asia-Pacific Region during the Second Quarter of 2023

With the implementation of the new aquatic animal disease reporting in the Asia Pacific region from January 2021, and in lieu of the published QAAD Reports (last issue published was 4th quarter of 2020), NACA is publishing reported aquatic animal diseases submitted by countries in the Asia-Pacific region. This report covers the second quarter of 2023 and the original and updated reports can be accessed from the QAAD page

Genetic management of Indian major carps

Collectively carps represent the largest global aquaculture sector, contributing over 20 percent of global aquaculture production. The Indian major carps including catla (Catla catla), rohu (Labeo rohita) and mrigal (Cirhinnus mrigala) are cultured widely across the Indian sub-continent with the main culture system being a multi-species polyculture in ponds, often including other carp species. This production sector is supported by major seed supply systems producing over 50 billion seed per annum. This case study analyses genetic management of Indian major carps since they were first domesticated with the development of hypophysation techniques in the 1950s. A review of literature and a survey of common hatchery practices identifies significant problems prevalent in the sector brought about by a lack of application of best practices in genetic management resulting in loss of genetic diversity, inbreeding and uncontrolled hybrid introgression.