Musical Applications Two examples are: J. S. Bach’s Neverending is based on what is now known as a Shepard scale. This piece is formally known as Canon a 2 per Tonus, from Bach's "Musical Offering." Readers are encouraged to listen to recordings of the piece as available on the Internet. Toadfish Mating Call by Tom Irvine Figure 1. Typical Toadfish Introduction They have a gas bladder for buoyancy. The bladder also serves as a resonating sound There are dozens of Toadfish specifies chamber in males. The bladder wall acts like throughout the world. the skin over a drum. Sound is produced by the vibration of the walls. Their habitat is shallow marine shoals and estuaries. They are sometimes seen buried in Mating sand with only the eyes exposed. The mating season begins in April and ends in Diet October. The male emits a foghorn sound to attract females. Toadfishes feed on small fishes, worms, and crustaceans. The female Toadfish will deposit her eggs in a nest and immediately leave them. The male The strong teeth and jaws of the toadfish are will then fertilize the eggs and protect them capable of crushing the hard shells of from harm. mollusks and oysters. Figure 2. Three-spined Toadfish Courtesy Aaron Rice Body Toadfish have a scale-less skin covered by The two swim bladders are clearly visible in thick a mucous layer. the abdominal cavity of the fish.
Musical Applications J. S. Bach’s Neverending is based on what is now known as a Shepard scale. This piece is formally known as Canon a 2 per Tonus, from Bach's "Musical Offering." Readers are encouraged to listen to recordings of the piece as available on the Internet. Two examples are: Toadfish Mating Call by Tom Irvine Figure 1. Typical Toadfish Introduction There are dozens of Toadfish specifies throughout the world. Their habitat is shallow marine shoals and estuaries. They are sometimes seen buried in sand with only the eyes exposed. Diet Toadfishes feed on small fishes, worms, and crustaceans. The strong teeth and jaws of the toadfish are capable of crushing the hard shells of mollusks and oysters. Body Toadfish have a scale-less skin covered by thick a mucous layer. They have a gas bladder for buoyancy. The bladder also serves as a resonating sound chamber in males. The bladder wall acts like the skin over a drum. Sound is produced by the vibration of the walls. Mating The mating season begins in April and ends in October. The male emits a foghorn sound to attract females. The female Toadfish will deposit her eggs in a nest and immediately leave them. The male will then fertilize the eggs and protect them from harm. Figure 2. Three-spined Toadfish Courtesy Aaron Rice The two swim bladders are clearly visible in the abdominal cavity of the fish.
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