How Do Octopuses Mate? - American Oceans
During mating, the male octopus inserts his arm, known as a hectocotylus, into the female’s mantle cavity and transfers a spermatophore, which contains sperm packets, into the female’s oviduct. The female then fertilizes her eggs with the sperm.
Meet the Argonaut, The World’s Weirdest Octopus - Cool Green …
2021年5月24日 · Male argonauts use a modified arm, known as a hectocotylus, to transfer their sperm to the female. This special tentacle, found in a pouch under their left eye, has small grooves to hold the sperm securely in place.
Hold it close: male octopus hold their hectocotylus closer to their ...
2024年3月14日 · Male octopus may be distinguished by the skilled eye from their habit of holding their hectocotylus closer to their body in a protective manner, although this observation has never been described quantitatively.
Hectocotylus - WikiMili, The Best Wikipedia Reader
2024年4月5日 · A hectocotylus (pl.: hectocotyli) is one of the arms of male cephalopods that is specialized to store and transfer spermatophores to the female. Structurally, hectocotyli are muscular hydrostats. Depending on the species, the male may use it merely as a conduit to the female, analogously to a penis.
Abstract. The right third arm of the male octopus is the hectocotylized arm. This arm is modified by anatomy specialized to hold and transfer sperm packets to the female, and lacks suckers at the distal end.
Hectocotylus Definition & Meaning - Merriam-Webster
The meaning of HECTOCOTYLUS is a modified arm of a male cephalopod that is specially and variously adapted to effect the fertilization of the eggs; especially : an arm that in argonauts and some octopods receives the spermatophores, is inserted into the female mantle cavity, and then is broken free from the body of the male.
(PDF) Hold it close: male octopus hold their hectocotylus closer to ...
2024年3月14日 · PDF | The right third arm of the male octopus is the hectocotylized arm. This arm is modified by anatomy specialized to hold and transfer sperm packets... | Find, read and cite all the research...
Animal Sex: How Octopuses Do It - Live Science
2015年2月2日 · Unlike females, "males have a modified third right arm called a hectocotylus, which has a sperm groove down it and a specialized tip," Mather said.
How Do Octopus Mate? - OctoNation - The Largest Octopus Fan …
Males have one arm which is modified at the end and called the hectocotylus. That’s a very fancy word that directly translates into a sex arm. An octopus hectocotylus is made up of 3 main components: Ligula. Calamus. Spermatophore groove.
How Do Octopuses Reproduce? - Mating Behavior and Birth
2023年4月7日 · Dioecy is present in octopuses, signifying that each individual is either male or female, and males have a unique arm called the hectocotylus, which conveys sperm to the female. Semelparity is a reproductive strategy exhibited by many octopus species, in which individuals reproduce once and perish.