Marine aquaculture of high value species such as fish is generally reliant on external food supplies and has a negative impact on water quality, generating high organic and nutrient loadings. Integrated multi-trophic aquaculture offers a solution to reduce environmental impact of farming systems, culturing complimentary species that can recycle nutrients and reduce nutrient pollution while generating additional products for sale. This article looks at species selection and integration of trophic levels in system design.

The 77th edition of the Quarterly Aquatic Animal Disease Report contains information from nine governments. The foreword discusses an intensive seven-day training course on tilapia lake virus (TiLV) that was jointly organised by China's National Fisheries Extension Center, Sun Yat-Sen University and the Food and Agriculture Organization of the United Nations.

NACA’s 29th Governing Council Meeting was held in the Maldives capital, Malé, from 26-27 June, with attendance by fifteen member governments. This was the first official NACA meeting in the Maldives, since it became a member in 2014, and also the first time that most of the delegates had visited the country, affording participants a fascinating glimpse of a very different lifestyle in the archipelago, and a very different development context.

This symposium will focus on the function and form of fish gills in the face of a changing ocean environment with emphasis on ocean warming and acidification. The goal is to create small teams of discipline experts to co-author topic reviews to be submitted as part of a special research topic in Frontiers of Marine Science. Priority will be given to early and mid career researchers and developing country scientists. For more information please download the flyer below or visit the symposium website.

In this issue:

Marine finfish seed production and growout training course, Thailand; global fish passage forum to include first symposium on hydropower and fish; International Workshop on Rehabilitation, Propagation and Conservation of Mahseer, India; World Brackishwater Aquaculture Conference, January 2019, India; Offshore Mariculture Asia 2018, 15-17 May, Singapore; Video lectures: Regional Training Course on Culture-based Fisheries in Inland Waters; Youth and Fish Drawing Competition Art Book; Report of the Sixteenth Meeting of the Asia Regional Advisory Group on Aquatic Animal Health.

This report summarises the proceedings of the 16th meeting of the Advisory Group, held 26-27 August 2017 in Bali, Indonesia. The group's role includes reviewing disease trends and emerging threats in the region, identifying developments in global aquatic disease issues and standards, evaluating the Quarterly Aquatic Animal Disease Reporting Programme and providing guidance on regional strategies to improve aquatic animal health management. The meeting included discussion on Tilapia Lake Virus (TiLV) and developments in antimicrobial resistance.

BRAQCON 2019 wil cover latest research and development in the broader themes of the conference in the form of special sessions, contributed papers, expert group discussions and brainstorming on issues facing aquaculturists and ecosystem managers in India and around the world. The conference themes include: Brackishwater ecosystems, estuarine biodiversity and conservation; aquaculture production systems; larviculture; fish and shellfish nutrition; environment and climate change; aquatic animal health; socio-economic and livelihood issues; and aquaculture genetics and biotechnology.

Offshore Mariculture Asia 2018 will cover the full process of setting up an offshore operation, building on experiences learnt from established operations in the countries who pioneered in this industry. Sessions will begin with an exploration of the early stages of the process such as site selection, moving from nearshore to offshore and choosing the right species, and will culminate with presentations on processes further down the chain such as marketing, investment and technology and feed section.

The Asia Regional Advisory Group on Aquatic Animal Health meets annually to discuss regional health issues including emerging disease threats. This report includes a review of regional disease status circa 2016, global and regional disease reporting arrangements, global issues and standards, progress in implementation of the the Regional Technical Guidelines on Health management for the Responsible Movement of Live Aquatic Animals, identification and designation of regional aquatic animal health resources and regional and international cooperation.

The 15th meeting was held from 21-23 November 2016, in Bangkok, Thailand. A special session was held on addressing the use of anti-microbial substances in aquaculture and the development of anti-microbial resistance. This is an issue of global concern for both human and animal health, and it had been addressed by a resolution at FAO’s Thirty-ninth Conference in June 2015. The meeting reviewed in detail the status of aquatic animal disease in the region.