distance. During copulation, the hectocotylus breaks off from the male. The funnel–mantle locking apparatus on the hectocotylus keeps it lodged in the pallial...

grow after the paralarval stage, and the use of a penis, instead of a hectocotylus. Genus Octopoteuthis Octopoteuthis danae Octopoteuthis deletron Octopoteuthis...

approaches a female and begins to caress her with his modified arm, the hectocotylus. A male mates with a female by grabbing her, which sometimes completely...

of most cephalopods develop a specialised arm for sperm delivery, the hectocotylus. Anatomically, cephalopod limbs function using a crosshatch of helical...

meters. Male with attached hectocotylus that has broken free from its sac Cut-away drawing of the viscera Details of the hectocotylus O. tuberculata paralarva...

females to create their eggcases. The males use a modified arm, the hectocotylus, to transfer sperm to the female. For fertilization, the arm is inserted...

all. As an example, the intromittent organ of most Cephalopoda is the hectocotylus, a specialized arm, and male spiders use their pedipalps. Even within...

When octopuses reproduce, the male uses a specialised arm called a hectocotylus to transfer spermatophores (packets of sperm) from the terminal organ...

the male, which is specially adapted for the purpose and known as a hectocotylus, and placed inside the mantle cavity of the female during mating. The...

hectocotylus, an arm tip which is capable of transferring their spermatozoa into the female mantle cavity. Though not all species use a hectocotylus;...

the mantle cavity. During copulation of some cephalopod species, the hectocotylus transfers the spermatophore from Needham's sac into the mantle cavity...

spermatophore production. Most cephalopods use a specialized arm called the hectocotylus to deliver spermatophores to the female. The spermatophores of the giant...

modified arm called a hectocotylus. That in turn is used to transfer the spermatophores to the female. In species where the hectocotylus is missing, the "penis"...

the hectocotylus. Males then climb on the female's back, at times completely engulfing the female's mantle obstructing her vision. The hectocotylus is...

the hectocotylus, which is inserted into the female's mantle cavity to deliver a spermatophore during copulation. In some species, the hectocotylus breaks...

more than 1 m (3.3 ft) long using his hectocotylus (specialized arm) in the female's mantle. The hectocotylus is found on the third arm of male octopuses...

order Octopoda. The seven-arm octopus is so named because in males, the hectocotylus (a specially modified arm used in egg fertilization) is coiled in a sac...

sperm-carrying arm called a hectocotylus. That in turn is used to transfer the spermatophores to the female. In species where the hectocotylus is missing, the "penis"...

Lateral view of adult male with hectocotylus The third right arm in male blanket octopus is called the hectocotylus, which has a sperm-filled pouch between...

have a large arm in a spherical pouch modified for mating, known as a hectocotylus. During mating, this arm is detached, and kept by the female in her mantle...

Mating has never been observed in O. californiana; the males lack the hectocotylus of typical octopus, instead having a series of enlarged suckers that...

left or right arm develops into a secondary sexual organ known as the hectocotylus. It is of equal length or shorter than the undeveloped opposite arm and...

arm of pair IV in males is modified into a sexual organ known as the hectocotylus. They bear long fleshy protrusions (papillae) with toothless suckers...

fertilisation, called the hectocotylus, is borne on the left ventral arm. The oral surface of the modified region of the hectocotylus is wide, swollen, and...

dimorphism is apparent, with the left ventral arm in males modified into a hectocotylus; this is used to facilitate fertilization during mating. Males also have...

arrangement of tentacular photophores; the shape of the hectocotylus, and the shape of the hectocotylus hooks. With the exception of the Tropical Eastern Pacific...

been observed, and unlike other octopuses, members of Cirrata lack a hectocotylus for the transfer of sperm packets. Cirrate octopus eggs are large and...

have adjacent dens, where the male is able to extend his mating arm (hectocotylus) to the female's den, while resting in his own. These two individuals...

photophores are scattered randomly and it has five ocular photophores. The hectocotylus contains a long flap at the ventral margin and a short flap at the dorsal...

Sepiolidae) from Australia" (PDF). museumsvictoria.com.au. "Evolution of the hectocotylus in Sepiolinae (Cephalopoda: Sepiolidae) and description of four new genera"...