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
The Tale of the Fisherman and the Fish Wife". In Pushkin's poem, an old man and woman have been living poorly for many years. They have a small hut, and every day the man goes out to fish. One day, he throws in his net and pulls out seaweed two times in succession, but on the third time he pulls out a golden fish. The fish pleads for its life, promising any wish in return. However, the old man is scared by the fact that a fish can speak; he says he does not want anything, and lets the fish go. When he returns and tells his wife