Day 6
Day 6 showed more growth in the expected places. The eyes now appear fully functional and developed. Gill plates have also begun to grow over the gills.
 
Day 6 - Eyes and Gills: (Above) The eyes now seem fully developed and functional. Exposure to blinking lights now make the fry jump. (Below) Gill plates have begun to grow over the gills. This view is seen from below the fry.

The heart seems even more developed than previously seen. The 4 chambers of the heart can more easily been seen now as well

Day 6 - Heart: The heart now beats even stronger. The 4 chambers can clearly be seen.

The tail also shows increased development. The rays of the caudal fin can now begin to be seen as well as the sex organs and digestive track.

Day 6 - Tail: (Above) The rays which will eventually makeup the caudal fin can now be seen at the end of the tail. (Bottom) The end of the digestive track and developing sex organs can now be seen. The oval area in the center is the end of the digestive track. Just to the left are the developing gonads in a wider tube area.

All images and videos were taken and put together by the website owner Nic Paquette. Please contact him if you would  like to use these materials for academic purposes.