Low frequencies provide essential information, because those are the ones that detect gas pockets in the seafloor and in the fish bladders
For centuries brewers have used a gelatin made from fish bladders
to stop beer going cloudy.
That tends to be in and out of the Animal-Free Shopper - which is published by the Vegan Society - because sometimes it can contain fish bladders
to clear the liquid.
At the beginning of the novel, Fish is known by the (explicitly oedipal) name of Rex, but is nicknamed for a game he plays with his father - blowing up fish bladders
into balloons, which he insists are "bellies" after recalling "a dim image" of a neighbor, who "had a baby and her belly had been big, big like these balloons.
Vulcanization spurred the domestic manufacture of condoms, yielding American-made condoms that were cheaper than imported European condoms made from fish bladders
or animal intestines.
Fish skulls Spread fans of the tails, Double-edged combs of fish vertebrae, Scalded chicken heads, Black wet feathers, Twisted chicken legs of waxen scales, Animal bones with marrow sucked out, Green fowl intestines tied in a knot Tubes of fish bones resembling needle samples, Double balloons of fish bladders