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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  • cephalic tenaculum — cephalic clasper (a supplemental clasper in Holocephali, on the forehead) …   Dictionary of ichthyology

  • 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

  • Clasper — Valva redirects here. For other uses, see Valva (disambiguation). The claspers of a spotted wobbegong shark (Orectolobus maculatus) In biology, a clasper is a male anatomical structure found some groups of animals, used in mating. Male… …   Wikipedia

  • 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

  • fish — fishless, adj. /fish/, n., pl. (esp. collectively) fish, (esp. referring to two or more kinds or species) fishes, v. n. 1. any of various cold blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with …   Universalium

  • Fish — /fish/, n. Hamilton, 1808 93, U.S. statesman: secretary of state 1869 77. * * * I Any of more than 24,000 species of cold blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes… …   Universalium

  • chondrichthian — /kon drik thee euhn/, n. any member of the class Chondrichthyes, comprising the cartilaginous fishes. [ < NL, equiv. to chondr CHONDR + Gk ichthýes (pl.) fish] * * * ▪ fish class Introduction class name  Chondrichthyes,  or  Selachii    any… …   Universalium

  • antenna — ( ) [Baba, 2005]. Antennal peduncle consisting of 5 articles, based on Uroptychus. [Baba, 2005] Mobile sensory appendages arising below the eyes at the front of the head. There are two pairs of these appendages, the first and second antennae. The …   Crustacea glossary

  • 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

  • reproductive system, animal — Introduction       any of the organ systems by which animals reproduce.       The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… …   Universalium

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