Mating whitespotted bamboo sharks (Chiloscyllium plagiosum), with the male above, insertion of right clasper clearly visible. This photograph depicts the final stages of copulation, which spanned approximately five minutes. Consequently, the male's siphon sacs are almost entirely deflated, indicating that the bulk of sperm insertion has already taken place. Just over one hour elapsed between the time that the male was able to grasp the female's pectoral to the final act of copulation. The male pursued this female for at least seven hours prior to being able to bite the female's pectoral fin, with the entire sequence of events taking place in water that was between two and six meters deep.
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