Dusky smooth-hound time to induce tonic immobility in smooth dogfish was 32.5 seconds. The mean duration of the tonic immobility was 61.9 seconds. Sharks that had the “limp” response also exhibited tonic immobility. The “limp” response is a criterion for the onset of tonic immobility. Dusky smooth-hound The dusky smooth-hound ("Mustelus canis"), also called the smooth dogfish or the dog shark, is a species of houndshark in the family Triakidae. This shark is an olive grey or brown in color, and may have shades of yellow or grayish white. Females live to 16 years and males have a lifespan of 10 years.
The Hound of the Baskervilles in "The Strand Magazine" in 1901. It was well-suited for this type of publication, as individual chapters end in cliffhangers. It was printed in the form of a novel the following year. "The Hound of the Baskervilles" has been adapted for many media. Over 20 film and television versions of "The Hound of the Baskervilles" have been made. "The Hound of the Baskervilles" has been adapted for radio for the BBC by Bert Coules on two occasions. The first starred Roger Rees as Holmes and Crawford Logan as Watson and was broadcast in 1988 on BBC Radio 4. Following its