Freshwater finfish

Information relating to aquaculture of freshwater finfish.

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Species groups

Major farmed commodity or species groups.

In this collection

Webinar: Beauty and the Beast: Important Parasites of Fish

A free webinar on important parasites of marine and freshwater fish will be held on 9 December 2020, from 13:00-16:00 Bangkok time (GMT + 7). Topics include: Parasites of freshwater fish; Sea lice problem in marine fish aquaculture in the Philippines; Neobenedenia: Can we innovate to successfully manage this parasite in sea cages?; and Marine leech: From life cycle to control measures. Participation is free for all but registration is required.

Quarterly Aquatic Animal Disease Report, April-June 2020

The 86th edition of the Quarterly Aquatic Animal Disease Report contains information from fifteen governments. The foreword provides a discussion of a webinar on decapod iridescent virus 1 (DIV1), held on 20 August 2020.

Aquaculture Asia Magazine, July-September 2020

In this issue:

Hatchery techniques for the seed production of short-necked clams (Paphia undulata) in Nha Trang, Vietnam; Lovesome chum of the aquarium are wreaking havoc in East Kolkata Wetlands, India; Concept of indigenous recirculatory aquaculture system executed in West Bengal, India and other places; Homestead modular hatchery technology of brackishwater catfish, Mystus gulio: A potential alternate livelihood option for small and marginal farmers of Sunderban; NACA Newsletter.

NACA Newsletter, Vol. XXXV No. 3, July-September 2020

In this issue:

Vale Professor Sena De Silva; the State of World Fisheries and Aquaculture 2020; Viral covert mortality disease (VCMD): Disease card; Disease advisory: Decapod iridescent virus 1 (DIV1): An emerging threat to the shrimp industry; Infection with decapod iridescent virus 1 (DIV1): Disease card; Proceedings of the Regional Workshop on Underutilized Fish and Marine Genetic Resources and their Amelioration; Latest special issue of Gender, Technology & Development examines new learnings on women and fisheries; Development of a global information system for farmed types of aquatic genetic resources; Quarterly Aquatic Animal Disease Report, October-December 2019.

Homestead modular hatchery technology of brackishwater catfish, Mystus gulio: A potential alternate livelihood option for small and marginal farmers of Sunderban

The catfish Mystus gulio is a small indigenous euryhaline fish found in fresh and brackishwater environments of the Sunderban delta of Bangladesh and India. A fast-growing species with high nutritional value, market demand and hardy nature, M. gulio is a desirable candidate for aquaculture in Asia. It is co-cultured with other brackishwater species in paddy fields, but expansion of culture in pond systems has been held back because of a shortage of seed. This article reports on induced breeding techniques and the development of a farmer-friendly modular hatchery and farming system suitable for use at the homestead level or by small-scale operators.

Regional Workshop on Underutilized Fish and Marine Genetic Resources and their Amelioration – Proceedings and Recommendations

The workshop was held from 10-12 July 2019, Colombo, Sri Lanka. The objectives of the workshop were to i) assess the current status of underutilised aquatic genetic resources at the regional level and to assess R&D status of priority species with potential for use in food and agriculture; ii) discuss knowledge gaps and regional priorities concerning underutilised genetic resources and create awareness on their role and value for diversification of food supplies and livelihoods; and iii) formulate strategies for strengthening the institutional framework for management and conservation of genetic resources at the regional level.

Concept of indigenous recirculatory aquaculture systems executed in West Bengal, India and other places

In pursuit of modernising fish culture practices, novel recirculatory aquaculture systems (RAS) have been introduced in semi-urban areas of West Bengal and other parts of India. While quite a few progressive fish farmers in India have adopted advanced, intensive and imported RAS systems featuring huge plant, other farmers have developed small and indigenous RAS systems that require comparatively low investment. This article discusses the design, principles, state-of-the-art and associated practical aspects of indigenous RAS technology as currently practiced in West Bengal and other places.

Lovesome chum of the aquarium are wreaking havoc in the East Kolkata Wetlands, India

Loricariid catfish species of the genus Pterygoplichthys, known in the aquarium trade as 'plecos' and 'algae eaters', have extensively invaded and proliferated in the East Kolkata Wetlands in West Bengal. Loricariids have capacity to alter the ecosystem and biodiversity of invasion sites, by physically altering the invaded habitats and by competing with native animals for food and space. The aquarium trade pathway is the most significant source of loricariid introductions globally. This article discusses the invasion of loricariid catfish in the East Kolkata Wetlands, and the environmental and economic impact on local fishers.

Viral covert mortality disease (VCMD): Disease card

This disease advisory describes the history, known host range, clinical signs and PCR detection methods for viral covert mortality disease (VCMD). Crustaceans currently known to be susceptible to VCMD include Penaeus vannamei, P. chinensis, P. japonicus, P. monodon, Macrobrachium rosenbergii, Procambarus clarkii, Exopalaemon carinicauda, Ocypode cordimanus, Diogenes edwardsii, Corophium sinense, Parathemisto gaudichaud and Tubuca arcuate. Fish species including Mugilogobius abei, Carassius auratus, and Paralichthys olivaceus may also be susceptible to the virus.

Quarterly Aquatic Animal Disease Report, October-December 2019

The 84th edition of the Quarterly Aquatic Animal Disease Report contains information from eleven governments. The foreword discusses meetings of the ad hoc Steering Committee of the Regional Collaboration Framework on Aquatic Animal Health in Asia and the Pacific.