Table 6. Ovary development in polyps of four species of Palythoa.
Number of polyps possessing developing and/or developed ovaries (N), total number of examined polyps (Nt) and ratio of N to Nt for collected specimens of P. tuberculosa, P. mutuki, P. sp. yoron and P. aff. mutuki on each sampling date.
| Species | P. tuberculosa | P. mutuki | P. sp. yoron | P. aff. mutuki | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Date | N | Nt | N/Nt (%) | N | Nt | N/Nt (%) | N | Nt | N/Nt (%) | N | Nt | N/Nt (%) |
| 2010.06.15 | 2 | 60 | 3 | 0 | 13 | 0 | 0 | 18 | 0 | – | – | – |
| 07.28 | 36 | 61 | 59a | 12 | 22 | 55 | 0 | 49 | 0 | – | – | – |
| 08.30 | 42 | 80 | 53 | 5 | 20 | 25 | 0 | 52 | 0 | – | – | – |
| 09.20 | 27 | 118 | 23a | 7 | 25 | 28 | 0 | 51 | 0 | – | – | – |
| 10.26 | 0 | 198 | 0 | NA | NA | NA | 16 | 52 | 31a | – | – | – |
| 12.08 | 0 | 89 | 0 | 0 | 54 | 0 | 0 | 53 | 0 | – | – | – |
| 2011.06.21 | 40 | 78 | 51 | 1 | 36 | 3 | 0 | 54 | 0 | 4 | 4 | 100a |
| 07.23 | 9 | 63 | 14 | 14 | 30 | 47 | 0 | 53 | 0 | 4 | 5 | 80 |
| 08.22 | 10 | 63 | 16 | 14 | 40 | 35 | 1 | 43 | 2 | 1 | 7 | 14 |
| 10.05 | 10 | 65 | 15 | 15 | 37 | 41 | 18 | 46 | 41a | 0 | 6 | 0 |
| 11.09 | 0 | 72 | 0 | 2 | 34 | 6 | 15 | 40 | 40a | 0 | 6 | 0 |
| 11.28 | 5 | 52 | 10 | 0 | 31 | 0 | 0 | 44 | 0 | NA | NA | NA |
| 12.16 | 0 | 63 | 0 | 0 | 36 | 0 | 0 | 40 | 0 | 0 | 9 | 0 |
| 2012.02.12 | 0 | 82 | 0 | 0 | 52 | 0 | 0 | 47 | 0 | 0 | 8 | 0 |
Notes.
a
Indicates observation of developed ovaries in specimens.