When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Pregnancy in fish - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_in_fish

    A pregnant Southern platyfish. Pregnancy has been traditionally defined as the period of time eggs are incubated in the body after the egg-sperm union. [1] Although the term often refers to placental mammals, it has also been used in the titles of many international, peer-reviewed, scientific articles on fish.

  3. Fish reproduction - Wikipedia

    en.wikipedia.org/wiki/Fish_reproduction

    Most male fish have two testes of similar size. In the case of sharks, the testes on the right side is usually larger [citation needed].The primitive jawless fish have only a single testis, located in the midline of the body, although even this forms from the fusion of paired structures in the embryo.

  4. Fish development - Wikipedia

    en.wikipedia.org/wiki/Fish_development

    Fish embryos go through a process called mid-blastula transition which is observed around the tenth cell division in some fish species. Once zygotic gene transcription starts, slow cell division begins and cell movements are observable. [4] During this time three cell populations become distinguished. The first population is the yolk syncytial ...

  5. Gestation - Wikipedia

    en.wikipedia.org/wiki/Gestation

    Timeline of human fertilization. In humans, pregnancy can be defined clinically, biochemically or biologically. Clinically, pregnancy starts from first day of the mother's last period. [4] Biochemically, pregnancy starts when a woman's human chorionic gonadotropin (hCG) levels rise above 25 mIU/mL. [5]

  6. Juvenile fish - Wikipedia

    en.wikipedia.org/wiki/Juvenile_fish

    Fingerling – refers to a fish that has reached the stage where the fins can be extended and protective scales have covered the body. [4] At this stage, the fish is typically about the size of a human finger, [5] hence the name. Once reaching this stage, the fish can be considered a juvenile, and is usually active enough to move around a large ...

  7. Category:Fish reproduction - Wikipedia

    en.wikipedia.org/wiki/Category:Fish_reproduction

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

  8. Livebearers - Wikipedia

    en.wikipedia.org/wiki/Livebearers

    Livebearers are fish that retain their eggs inside the body and give birth to live, free-swimming young. They are especially prized by aquarium owners. They are especially prized by aquarium owners. Among aquarium fish, livebearers are nearly all members of the family Poeciliidae and include: guppies , mollies , platies and swordtails .

  9. Template:Fish graphical timeline - Wikipedia

    en.wikipedia.org/wiki/Template:Fish_graphical...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file