cephalic clasper

cephalic clasper
a mace-like spiny-headed rod found on the mid-dorsal surface of heads of male Holocephali. Thought to aid in holding the female during copulation

Dictionary of ichthyology. 2009.

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  • clasper — the rod like extension of the medial portion of the pelvic fin in male Elasmobranchii and Holocephali. Claspers are used as intromittent organs (not in clasping), the grooves on their facing surfaces together forming a tube for the transmission… …   Dictionary of ichthyology

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  • frontal clasper — cephalic clasper (a mace like spiny headed rod found on the mid dorsal surface of heads of male Holocephali. Thought to aid in holding the female during copulation) …   Dictionary of ichthyology

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  • tenaculum — a supplemental clasper in Holocephali, one in front of the pelvic fin (prepelvic tenaculum) and one on the forehead (cephalic tenaculum) …   Dictionary of ichthyology

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