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Medaka fish project 22
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Medaka fish project 22


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  • 1. Medaka Fish
    By: Jenna Knox Pd.3
  • 2. The life Of Dexter
    Dexter was the Japanese Medaka fish that our lab group was given to observe and study.
    We received Dexter on April 8, 2011 and watched him hatch on April 19, 2011.
    The first day Stage
  • 3. In the beginning
    The first thing we did was name our fish Dexter.
    We then placed the fish egg onto the microscope and looked at the forming fish inside.
    We recorded the stage that the egg was in and then took a picture.
    Day 4 Stage
  • 4. A few days later
    Dexter grew extremely fast it was amazing. One day you could barely tell it was a fish and in like 2 days you could see everything coming together.
    The hardest part of this whole project was finding what stage the fish was in.
    The first day we got our fish it was in Stage 18
  • 5. Different stages
    Day one Dexter was at stage 18
    Day two Dexter was at stage 23
    Day three Dexter was at stage 28
    Day Four Dexter was at stage 30
    Day Five Dexter was at stage 32-33
    Day Six Dexter was at stage 35
    The last day Dexter was at stage HATCHED!
  • 6. Finally hatched
    The whole time we were looking at the Medaka fish I really wanted to see it hatched. But after it hatched I realized I was expecting more than what I saw.
    Even though I knew that the fish was very small I imagined that the fish would be pretty big after it hatched. It really wasn’t any bigger than the egg.
    Actually it was hard to see the fish in the water swimming around.
  • 7. As first time parents
    I was really excited to watch a baby fish while it was growing inside of it’s egg. It was really exciting.
    Also I was proud because the fish survived long enough to hatch and didn’t die previous to hatching.
    I honestly thought that I was going to kill it when I put it on the slide or took it off. I was afraid to squish it or something along the line of that.
  • 8. Scares!!!!
    One day when I was putting Dexter onto the slide he got stuck in the dropper.
    My heart sunk I thought, “This is it, I just killed our poor little fish.”
    But with the help of Shaylyn we got the fish out of the dropper and on to the slide.
  • 9. What are these people doing to me?
    Honestly I felt bad for our fish. We had to flip him around and shove him in a dropper every day.
    If I were Dexter I would be thinking, “What the heck is this? An earth quake?”
    I think I would also be slightly dizzy.
  • 10. ~Stages~
    Day 1
    The first day we got our
    Fish he was at stage 18
  • 11. ~stages~
    Day 2
    The second day we had
    Our fish he was at stage 23
  • 12. ~stages~
    Day 3
    On day 3 our fish
    Was in stage 28
  • 13. ~stages~
    Day 4
    on day 4 our fish was in stage 30
  • 14. ~stages~
    Day 5
    On day 5 our fish was
    in stage 32-33
  • 15. ~stages~
    Day 6
    On day 6 our fish was in
    Stage 35
  • 16. ~stages~
    Day 7
  • 17. How to take care of a medaka fish
    Medaka fish require water to live in
    How to feed your fish
    They will eat regular fish food and if you feel like getting fancy you can culture little shrimp but that is a little pricy.
    Keep the water clean and fresh!