A switch to farming giant river prawns is proving economically astute for a growing number of Bangladesh’s aquaculture operators, but the sector still has challenges to overcome.

Black tiger shrimp are experiencing something of a renaissance, especially in India and China, but experts such as Kontali analyst Ida Skancke, and leading Indian shrimp farmer Dr Manoj Sharma note that producers would be foolish to write off vannamei.

Seadling, which is based in Malaysian Borneo, sees fermenting seaweed for pet food ingredients as the first step towards unlocking greater value from tropical macroalgae.

While the market for UK seaweed products is growing, the industry currently relies on wild harvests to meet the majority of its demand, preventing the sector from realising its potential.

Crawfish farming is one of the most lucrative and sustainable forms of aquaculture in the US, but recent droughts in its southern heartlands are putting livelihoods at risk.

Roberto Flores Aguilar, co-founder and technical manager of Abulones Cultivados, is one of the pioneering figures in Latin American marine aquaculture and a firm believer that the industry can help to uplift coastal communities in the developing world.

Dr Ahmed Nasr Allah and Mahmoud Rashad discuss how WorldFish’s Empowering Women Fish Retailers in Egypt (EWFIRE) project has overcome challenges to help improve the livelihoods of female fish traders.