4.2 Primary diagnoses in fathead minnow, Japanese medaka and
Medaka fish project 22
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Transcript of Medaka fish project 22
Medaka Fish By: Jenna Knox Pd.3
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 18
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 30
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
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!
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.
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.
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.
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.
~Stages~
• Day 1
The first day we got our Fish he was at stage 18
~stages~
• Day 2
The second day we hadOur fish he was at stage 23
~stages~
• Day 3
On day 3 our fishWas in stage 28
~stages~
• Day 4
on day 4 our fish was in stage 30
~stages~
• Day 5
On day 5 our fish was in stage 32-33
~stages~
• Day 6
On day 6 our fish was in Stage 35
~stages~
Day 7
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!