Swim bladder of collagen. They can be made into a strong, water-resistant glue, or used to make isinglass for the clarification of beer. In earlier times they were used to make condoms. Swim bladder disease is a common ailment in aquarium fish. A fish with swim bladder disorder can float nose down tail up, or can float to the top or sink to the bottom of the aquarium. Many anthropogenic activities, like pile driving or even Seismic wave, that could result from climate change or natural causes, can create high-intensity sound waves that cause a certain amount of damage to fish that
Tonda Wildlife Management Area the subject of poaching by people from neighbouring Papua Province, Indonesia. Local people also harvest and sell a number of wildlife resources to merchants on the other side of the border, including deer meat and antlers, candlenut, the plastra of freshwater turtles, shark fins, saratoga ("Scleropages jardinii") fingerlings and the dried swim bladders of certain fish. Tonda Wildlife Management Area The Tonda Wildlife Management Area is a wetland of international importance and the largest protected area in Papua New Guinea. It is located in the south-western corner of the Western Province and is contiguous with Wasur National Park of Indonesia.