|
Polygyra septemvolva Say, 1818 Florida Flatcoil Eggs And Hatchlings |
|
|
November 29 - Hatchlings (day 22) |
December 9 - Hatchling (day 32) |
|
Shows size disparity between largest and smallest hatchlings |
Largest hatchling = 3.5 mm. / smallest hatchling = 2.2 mm. |
|
|
|
|
|
|
|
December 16 - Hatchlings (day 39) |
|
|
Largest hatchling = 3.6 mm. / smallest hatchling = 2.2 mm. / average size 3.1 mm. |
|
|
|
|
|
|
|
|
December 23 - Hatchlings (day 46) |
December 30 - Hatchlings (day 53) |
|
Largest hatchling = 4.0 mm. / smallest hatchling = 2.4 mm. |
Largest hatchling = 4.5 mm. / smallest hatchling = 2.5 mm. |
|
|
|
|
January 6 - Hatchlings (day 60) |
January 20 - Hatchling (day 74) |
|
Largest hatchling = 5.0 mm. / smallest hatchling = 2.7 mm. |
Largest hatchling = 5.8 mm. |
|
|
|
|
January 27 - Hatchling (day 81) |
February 3 - Hatchling (day 88) |
|
Largest hatchling = 6.7 mm. (grew almost 1 mm. this past week) |
Largest hatchling = 7.1 mm. / pictured hatchling 6.5 mm. |
|
|
|
| At the conclusion of the experiment during the third week of February, 2019, nine of the original 13 hatchlings were still alive with the average maximum diameter of the group being being 6.54 mm. The largest measured 6.97 mm. while the smallest measured 4.6 mm. | |
|
|
|
