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claspers

British  
/ ˈklɑːspəz /

plural noun

  1. a paired organ of male insects, used to clasp the female during copulation

  2. a paired organ of male sharks and related fish, used to assist the transfer of spermatozoa into the body of the female during copulation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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But apart from the denticles on their pelvic claspers, spotted ratfish are largely smooth-skinned.

From Science Daily ● Oct. 16, 2025

Dermal denticles, including the ones on the spotted ratfish's pelvic claspers, do not have a dental lamina.

From Science Daily ● Oct. 16, 2025

They use gripping appendages, called claspers, to hook themselves onto a female’s spines, giving males an inside track to fertilize the female’s eggs as soon as she releases them from a compartment in her head.

From New York Times ● May 6, 2022

In today’s cartilaginous fish, there are tell-tale claspers behind the pelvic fins.

From The Guardian ● Jan. 24, 2018

This one also has humped segments, and the claspers of the thirteenth segment are imperfectly developed.

From Butterflies and Moths (British) by William S. Furneaux

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