Table 1. Placozoans around Shimoda Marine Research Center.
| Location | Method | Days in seawater | Date retrieved/collected | Number collected |
|---|---|---|---|---|
| Outdoor Tank 1 | slide | 222 | 2011 4/25 | 107 |
| 35 | 6/1 | 20 | ||
| 26 | 6/27 | 6 | ||
| 32 | 8/29 | 255 | ||
| 62 | 12/1 | 274 | ||
| 24 | 12/26 | 15 | ||
| 52 | 2012 1/23 | 219 | ||
| 76 | 2/10 | 38 | ||
| 41 | 5/8 | 4 | ||
| 83 | 7/3 | 158 | ||
| 104 | 8/7 | 39 | ||
| 84 | 9/26 | 84 | ||
| Outdoor Tank 2 | slide | 30 | 2010 10/14 | 241 |
| 34 | 2011 5/23 | 16 | ||
| 27 | 6/20 | 12 | ||
| 34 | 7/25 | 14 | ||
| 28 | 8/23 | 3 | ||
| 57 | 11/24 | 4 | ||
| substrate | - | 2011 7/1 | 12 | |
| - | 2012 1/16 | 3 | ||
| Indoor Tank 1 | slide | 202 | 2011 4/4 | 1 |
| Indoor Tank 2 | slide | 34 | 2011 9/13 | 3 |
| 171 | 2012 4/26 | 67 | ||
| 24 | 11/5 | 10 | ||
| Sea (Nabeta Bay) | slide | 15 | 2010 10/27 | 17 |
| substrate | - | 2011 8/16 | 32 | |
| - | 2012 1/5 | 5 |
There were instances not shown when no placozoans were found.