What is gonopodium used for?
gon·o·po·di·um. The modified anal fin of the male of certain fishes, such as guppies, used to transfer sperm into the female.
What is genopods?
In crustaceans and millipedes, gonopods are modified walking or swimming legs. Gonopods may be highly decorated with elaborate structures which may play roles in sperm competition, and can be used to differentiate and identify closely related species.
Which organ acts as copulatory organ in Crab?
During copulation, the penis and the second gonopod are inserted into the basal lumen of the first gonopod. While the penis injects the sperm mass, the second gonopod functions in the transport of spermatozoa inside the ejaculatory canal toward its distal opening.
What does a gonopodium look like?
A gonopodium is a modified anal fin (it looks rather like a thin rod) that allows male fish of the families Anablepidae and Poeciliidae to briefly hook into the vent of a female fish to deposit sperm. This fin is normally held back and the male fish turns it down and forward just before mating.
How do you pronounce gonopodium?
noun, plural gon·o·po·di·a [gon-uh-poh-dee-uh]. Ichthyology.
Do crabs have ganglia?
The nervous system of a crab differs from that of vertebrates (mammals, birds, fish, etc.) in that it has a dorsal ganglion (brain) and a ventral ganglion. The ventral ganglion is located beneath the internal organs, between the legs.
What is the respiratory organ of crab?
(A) Crab use gills for respiration.
What is gonopodium in molly fish?
A gonopodium is a modified anal fin (it looks rather like a thin rod) that allows male fish of the families Anablepidae and Poeciliidae to briefly hook into the vent of a female fish to deposit sperm. Typical male fish with this fin are: Guppys. Mollies.
What is a gonopodium in fish?
Definition of gonopodium : the anal fin of a male fish when modified to serve as a copulatory organ.
What does a Gonopodium look like?
What do you know about Gonopodium?
gonopodium An intromittent (copulatory) organ, formed by a modified anal fin, that is present in adult male fish of the families Poeciliidae (live-bearers) and Goodeidae (goodeid topminnow).
Where is the ganglia on a crab?
The dorsal brain is located between the eyes and near the anterior end. The ventral ganglion is located beneath the internal organs, between the legs. The brain is tiny, smaller than the point of a pencil, while the ventral ganglion is huge by comparison.
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