What are claspers used for?
Claspers in chondrichthyans are specialized elongations on the posterior side of male pelvic fins that are used for sperm transfer during copulation. Little is known about the mechanisms of clasper evolution, or why only males undergo this fin modification.
What is claspers in zoology?
/ (ˈklɑːspəz) / pl n zoology. a paired organ of male insects, used to clasp the female during copulation. a paired organ of male sharks and related fish, used to assist the transfer of spermatozoa into the body of the female during copulation.
What types of fish have claspers?
Similar to a penis, claspers are an external appendage found on male sharks, skates, and rays that are designed to deliver sperm inside of a female. However, they are dissimilar to a penis in that they are not an independent appendage, but rather a deeply grooved cartilaginous extension of the sharks pelvic fins.
What animals have claspers?
Claspers are organs that found on male elasmobranchs (sharks, skates, and rays) and Holocephalans (chimaeras). These parts of the animal are vital for the reproduction process.
Which is the best definition of a clasper?
Definition of clasper. : a male copulatory structure: a : one of a pair of external anal processes of an insect that are used to grasp a female. b : one of a pair of organs that are extensions of the pelvic fins of cartilaginous fishes.
Where are the claspers located in a shark?
Updated February 03, 2019. Claspers are organs that found on male elasmobranchs (sharks, skates, and rays) and Holocephalans (chimaeras). These parts of the animal are vital for the reproduction process.
What do you call a person or thing that clasps?
a person or thing that clasps. (in insects, fishes, crustaceans, etc.) one of the modified, usually paired organs or parts by which the male clasps the female during copulation. CHALLENGE YOURSELF WITH THIS MIDDLE SCHOOL PART OF SPEECH QUIZ! How well do you know your adjectives from your adverbs? Your preposition from your pronouns?
Where are the claspers located in a chondrichthye?
Claspers is a male copulatory structure located around the pelvic fin of the cartilaginous fishes, and used for semen delivery into the females during mating. Chondrichthyes is a class of fishes having a cartilaginous skeleton. They are vertebrates, whose notochord is developed into the vertebral column in later stages.
What does clasper mean?
Definition of clasper. : a male copulatory structure: a : one of a pair of external anal processes of an insect that are used to grasp a female.
What are claspers on sharks?
Claspers are organs that found on male elasmobranchs (sharks, skates, and rays) and Holocephalans ( chimaeras ). These parts of the animal are vital for the reproduction process.
What is a shark clasper?
The claspers of a young spinner shark ( Carcharhinus brevipinna) In biology, a clasper is a male anatomical structure found in some groups of animals, used in mating.