21 янв. 2019 г. · Our observations reveal that female pygmy squid actively inseminate their eggs one-by-one when attaching them to the substratum. |
21 янв. 2019 г. · Here, we report the fertilization process of a squid using a glass plate as a spawning substratum, enabling observation within the female arm. |
6 июн. 2013 г. · Bottletail squid, for instance, practice external fertilization; females store the sperm in a special cavity near their mouth until it's time for fertilization. |
External fertilization usually occurs in aquatic environments where both eggs and sperm are released into the water. After the sperm reaches the egg, ... |
21 янв. 2019 г. · This study is the first to reveal the fertilization process using stored sperm, under female control. |
Here we review briefly pre-copulative male–male and male–female interactions, alternative mating tactics and their associating sperm traits in squids. |
Also like all squid, Humboldt males package their sperm into spermatophores, which are passed to females during mating. Females keep these spermatophores until ... |
... external fertilization. The spermatophore fluid of the squid contains a substance which, when added to a suspension of washed spermatozoa, causes a distinct ... |
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