claspers


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claspers

  1. the rod-like projections between the pelvic fins of male ELASMOBRANCH fish that are utilized in copulation.
  2. the processes at the tip of the male abdomen of insects used to hold the female during copulation.
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References in periodicals archive ?
The comparative morphology of the secondary sexual characters of elasmobranch fishes: the claspers, clasper siphons, and clasper glands.
Testing of the closure of the clasper groove/tube was made by inserting a blunt tapestry needle with a coarse thread into the apopyle and through the clasper groove/tube until it came out the distal end of the clasper.
But it wasn't long before Mr Clasper began to have doubts about the quality of the work.
Mr Clasper wanted a reasonably cheap job and that's what he got," he said.
Maturity in males was best described by an inflection in the relationship of clasper length to fork length when combined with clasper calcification.
These were probably caused by the spur that holds the clasper in place during copulation.
Now, we've actually found it, a specimen with an undoubted clasper with a knobbly end," he said.
Study author and palaeontologist Dr Kate Trinajstic, of Curtin University in Perth, said that the clasper was discovered in a fish specimen uncovered in the Gogo region of Western Australia in 2001.
The story of Tyneside rowing star Harry Clasper is told in a new book by his great great nephew.
He informs us that Edward Clasper "has the disadvantage of having lost a leg"