Fish

Card Set Information

Author:
Anonymous
ID:
186109
Filename:
Fish
Updated:
2012-11-29 15:58:05
Tags:
eww
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Description:
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  1. anadromous
    living in both fresh and salt water at different times in its life cycle
  2. osteichthyes
    fish with bony skeletons
  3. ovopartity
    lay undeveloped egs, external fertilization; broadcast spawning
  4. homing
    return to natal site to breed
  5. semelparity
    death after first reproduction
  6. egg
    unfertilized ovum
  7. embryo
    after fertilization, before hatching
  8. alevin
    after hatching, before emergence from the gravel
  9. fry
    newly emerged juvenile, rearing in freshwater
  10. parr
    juvenile, rearing in freshwater
  11. smolt
    transitional stage to the marine form
  12. jack
    mature male younger than the females
  13. redd
    nest, including one or more egg pockets
  14. kelt
    post-spawning adult
  15. run
    number of salmon surviving to adulthood in a given population
  16. pacific salmon range
    from California north to the Arctic Ocean and west to Russia, Japan and Korea
  17. salmon maturation takes
    2 to 7 years
  18. hybridization between populations (or between hatchery-produced and wild stocks) results in
    a loss of genetic diversity both within and between populations

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