Fish maw is the commercial term for dried swim bladders. Swim bladders are an internal organ from that helps many bony fish to control their buoyancy. It is also referred to as gas bladder or air bladder. Fish maw does not come from one specific fish species and is difficult to identify its origins once it is packaged as a commodity.
ReTTA is a TRAFFIC project aiming to Reduce Trade Threats to Africa’s Wild Species and Ecosystems. The project is funded by Arcadia—a charitable fund of Lisbet Rausing and Peter Baldwin.